http://britneyspears.ac/wallpaper/bswp005_1024x768.jpg
LOL! I hadn't seen that one before. Cute.
She's sitting next to Einstein, which makes sense, I guess. They're both very successful in their chosen fields.
One other cute image there, with equations on a chalkboard behind her. Surreal and funny. They are in wallpaper formats.
Very nice site. Britney is used to make it more interesting to young students, probably.