While it's true that low-resolution animated GIFs are a thing of the past, the fact is that all of the .GIFs on the page are still just as ready for use in the 21st Century as they were in 1997.
While it was more of a video-type camera that could capture still images, the Mavica used CCD technology to save low-resolution images to two-inch floppy disks.
The graphics are bright and colorful, but because of the relatively low-resolution and smaller color palette, the DS is not as good for photo realistic games.
However, if you start off with a low-resolution image, you will not have the flexibility to amend your photo prior to printing it.
For a simple web graphic on your school's web page, a low-resolution (72 or 150 dots per inch) is fine to use.
Some offerings are almost too small and too low-resolution to really belong on a modern web page.