The animation I downloaded isn't animated anymore.
Animated GIFs are meant for use on a website. While they are also supported in animated GIF editors and most email software, they are NOT supported in Microsoft Office (including PowerPoint) or most other applications. If you insert an animated GIF into one of these programs, it will only give you the first frame of the animation.
If you still wish to verify that your image is animated, drag its icon into your browser window -- if it is working, it should run the animation sequence there. In the highly unlikely event that the image is "broken" (does not run the animation sequence when you drag it into your browser window), try downloading a similar image from ClipArt.com's site. Otherwise, follow the instructions below to edit and use animated GIFs:
Editing animated GIF images
To keep the animation effect, open or insert your image in an animated GIF editor. If you do not have one, visit Download.com to find Windows shareware, or www.kamit.com/gifconverter to download GIFConverter (Mac only).