Embed your friend's keyboard in Jello

They did something similar on "The Office":

http://www.offbeatearth.com/jell-o-keyboardmouse-prank/

Hair Dying, Doggie Style

Some people are crazy:

http://www.dogguide.net/blog/2008/05/no-im-not-kidding-15-photos-of-dogs-with-dye-jobs/

Swarms of Ants in Texas

Home of the fire ant, now "crazy raspberry ants":

http://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2008/05/14/national/a110350D66.DTL