Everything you need to know about saving, creating, scanning, or sharing image files.

How many megapixels do I need my camera to have?
Most digital cameras sold today support a resolution of 5 megapixels (million pixels) or higher. A 5 megapixel camera will allow you to print a 5 X 7 or 8 X 10 image of good quality. If you want to print larger photos, you will need a camera with 6 megapixels or higher....
What is the difference between optical and digital zoom?
Most digital camera vendors advertise the combined (digital and optical) zoom of a particular model, often touting a maximum zoom of 10-12 X. This is a marketing gimmick that is used to make their models sound more impressive. In reality, you should really worry about the optical zoom capabilities of your camera, which...
What are some tips for taking better pictures?
Below are some easy to apply tips for improving the quality of your pictures: Fill the frame: Zoom in or move in close so that your subject fills most of the frame in your viewfinder. This will result in an image that not only feels more intimate but also has fewer distractions...
What are the differences between the file formats used to save images?
Most image formats use some type of compression to make the files smaller in size. Many scanners are set to save the scanned images using the TIFF format by default. Even though the TIFF format supports compression, TIFF files still tend to be quite large. However, most image editing programs will let you...
How do I reduce the file size of an image?
The primary way to reduce the file size of an image is by increasing the amount of compression. In most image editing applications this is done by changing your settings in the Save As dialog box after you select a compressed format such as GIF or JPEG. Adobe Photoshop uses a separate Save...
What is Picasa and how do I install it on my computer?
Picasa is a free photo management program from Google that can be used to organize and manage all of the images you have stored on your hard drive. In addition to allowing you to manage your photos, Picasa allows you to perform basic edits and gives you many options for sharing those pictures...
What is Hello?
Hello is a free companion program to Picasa that allows you share pictures using chat. In order to use Hello, you must first set up a free account by visiting the Hello website, then install the program on your computer. Once you have Hello installed, you and a student can use it to...
What are the main parts of the Picasa interface?
Once you have launched Picasa and allowed it to scan your hard drive, you will see an interface that is divided into three areas: the Folder List on the left which lists the folders on your hard drive containing photos as well as any albums you create the Lightbox,...
How do I import photos from my digital camera using Picasa?
To import photos into Picasa, first connect your digital camera using a USB cable (or connect your camera to its cradle). You can also use a card reader to import photos from the memory card used by your camera. The memory card will be displayed as a drive in Picasa. Once you...
How do I use Picasa to manage my photo collection?
Picasa has several features that make it easy to organize the photos and movies in your library. Albums This collection allows you to group and organize your photos into categories. You can think of them as keywords that are used to tag your photos. For example, you can create an album...
How do I search in Picasa?
The Search Feature Picasa allows you to easily search the photos and movies in your computer using the albums you create, the descriptive information entered into properties dialog boxes for albums and folders, and star ratings. To search your library, enter a term in the search box at the top of the Picasa window and press Enter....
How do I crop images using Picasa?
You can use Picasa's crop feature to remove unwanted parts of any photo. Cropping can also be used to improve the composition of a photo. To crop a photo, first open it in the editing window by double-clicking on it in the Lightbox, then select the Basic Fixes tab and click on...
How do I straighten an image using Picasa?
Picasa has a feature that will allow you to fix an image that is slightly crooked. First select the picture and double-click on it in the Lightbox to open the Editing Window. Select the Basic Fixes tab and click on the Straighten button. In the Straighten Picture view, use...
How do I remove red eye from my images using Picasa?
Red eye is caused when the light from the flash is reflected off your subject's eyes. This can often ruin many pictures taken in poorly lit indoor spaces. Fixing red eye with Picasa is simple. Open the picture you want to fix by double-clicking on it in the Lightbox. Next, click on...
How do I fix the colors in my images using Picasa?
You will find two types of controls you can use to fix colors in Picasa. The first type is found in the Basic Fixes tab and consists of one-click fixes that automatically correct the color or exposure in an image for you. The other type of color correction is found in the Tuning...
How do I turn a color image into a black and white image with Picasa?
You can use the Effects tab of the editing window to change the appearance of your pictures using Picasa's built-in filters. You apply an effect by clicking on the button that has a thumbnail of your image with the effect applied to it. This is meant to give you an idea of what...
How do I create a slideshow using Picasa?
To view your pictures as a slideshow in Picasa, select an album or label and then click on the Slideshow button at the top of the Picasa window. You can also use the keyboard shortcut Control + 4 or select Album > View Slideshow from the menu bar....
How do I upload pictures to Blogger using Picasa?
There are a couple of ways to upload pictures to your Blogger account using Picasa. You can use the BlogThis! button to open up a window where you can sign in to your Blogger account. http://etc.usf.edu/te_win/images/i/blogger1.jpg http://etc.usf.edu/te_win/images/i/blogger7.jpg Once you log in, you will be able to enter some text to...
How do I build a web gallery using Picasa?
Picasa can be used to create a web gallery that can be uploaded to any web server. A web gallery consists of a web page that displays thumbnails of the pictures you select in Picasa. The webpage also allows the person viewing the gallery to click on a thumbnail to open a larger...
How do I create a web album in Picasa?
Picasa allows you to create a web page with your photos in two different ways: as a web gallery, which has to be uploaded to a web server before it can be accessed by other people, or as a web album which is hosted on the Picasa servers and...
How do I email pictures using Picasa?
To email pictures in your Picasa library, first make sure they are in the Picture Tray, then click on the Email button. Depending on how you have Picasa configured, this will open up your default email program, or a window that allows you to connect to the free GMail web...
How do I print my pictures using Picasa?
To print pictures using Picasa, first make sure the pictures you want to print are in the Picture Tray by selecting them in the Lightbox. Next, click on the Print button to open up the Print window. At the top of this window, you can select a layout...
How do I order prints using Picasa?
Picasa allows you to order prints from some of the most popular online print providers. To order prints, select the pictures you want to have printed in the Lightbox so that they are in the Picture Tray. Next, click on the Order Prints button to open up a list of online print providers....
How do I back up my photos using Picasa?
Picasa allows you to easily back up the photos and movies on your computer for safekeeping. To create a backup, you must first insert a blank CD-R or CD-RW in your computer's writable drive, then select Tools, Backup Pictures. This will open the Backup your photos window. At the...
What is Flickr?
Flickr is a website that allows you store, sort, search, and share your photos online. The free version of Flickr allows you to upload up to 20MB of photos each month (a paid version with a 2GB limit is available for $24.95/year). In addition to being a place to host your images,...
How do I use Flickr to create online presentations?
Flickr is an online photo hosting program that can also be used to host presentations online if you export your Powerpoint slides as images. To save your slides as images in Powerpoint: Select File > Save As....
What is Windows Movie Maker?
Windows Movie Maker is the video editing program that is included with Windows XP. Windows Movie Maker allows you to quickly build a personalized movie that incorporates video, still images, background music, and narration. This movie can be customized further by adding titles, transitions, and video effects. Windows Movie Maker was designed...
How do I import content into Windows Movie Maker?
You may already have content on your computer that you want to use in your video project. This content can be video clips, still images, or audio. To import video into Windows Movie Maker: Select the Import video link in the Movie Tasks pane....
How do I create a movie in Windows Movie Maker?
The first thing you should do when you open Windows Movie Maker to work on a new project is save the project file: Select File > Save Project As... Choose a save location on your computer and enter a name for your file in the File name field. Click on Save. You should save your project file as often...
How do I edit video clips with Windows Movie Maker?
Windows Movie Maker makes it easy to edit the video clips captured from your camera by trimming them to remove unwanted video at the beginning or end. To trim a video clip: Select a clip in the timeline. Click on Show Timeline if you do not see the timeline. Place the playhead where you want your clip to...
How do I edit audio with Windows Movie Maker?
The video you shoot with your video camera will usually have audio that is recorded along with it. When you trim the video on your computer using Windows Movie Maker, the audio will be trimmed as well. Likewise, when you split a video clip, the audio will be split at the same point...
How do I narrate a movie with Windows Movie Maker?
To add voiceover narration to a movie: Click on the Narrate Timeline button (found just above the timeline), or choose Tools > Narrate Timeline... Click on the Narrate Timeline button (found just above the timeline),...
How do I capture video from my video camera using Windows Movie Maker?
The first step in creating a movie with Windows Movie Maker is to capture the video you shot with your video camera so it is on your computer's hard drive. To capture your video: Connect your camera to the computer using a Firewire cable. Make sure the camera is turned on and in playback mode (this setting will...
What is the difference between bitmap and vector images?
Bitmap (or raster) images are stored as a series of tiny dots called pixels. Each pixel is actually a very small square that is assigned a color, and then arranged in a pattern to form the image. When you zoom in on a bitmap image you can see the individual pixels that make...
What is resolution?
Resolution refers to the number of pixels or individual color dots in an image. A high resolution image has more dots, which allows it to display more detail. Your monitor has a resolution, which is usually described as the number of columns (width) by the number of rows (height). Most monitors sold...
What is bit depth?
Bit depth refers to the color information stored in an image. The higher the bit depth of an image, the more colors it can store. The simplest image, a 1 bit image, can only show two colors, black and white. That is because the 1 bit can only store one of two values,...
How do I get images on my computer?
There are many different ways to obtain images you can use in your projects. Digital camera: one of the easiest ways to get pictures of your students is to take snapshots using a digital camera. You can then connect the camera directly to your computer using a USB cable, or you can...
What resolution should I use when I scan my images?
The resolution you should use depends on how you plan to use the images you are scanning. If you plan to post your images on the web a resolution of 72 dpi should suffice because this is the common resolution for monitors. If you plan to use your image in a print document...
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