I write a lot of little vb.net applications for troubleshooting/repairing software for our helpdesk. Sometimes if I'm writing something that only 1 specific per

I write a lot of little vb.net applications for troubleshooting/repairing software for our helpdesk. Sometimes if I'm writing something that only 1 specific person is going to use I'll do something like every 3 days set their homepage to that david hasslehoff speedo gif that zooms in on his crotch over and over. Totally inappropriate at work, but I get a chuckle out of it. Since it only happens every three days they haven't figured out what's causing it.