Music video question

[amedia]

Is there any way to download music videos - not the fan kind, I mean the far-less-cool kind made by the original artist - from the Internet? I need a copy of "My Humps" for my gender studies class tomorrow; I've been taping VH1 all week and they're not playing it anymore. I did get "Beep" and "Stupid Girls," which will be awesome for class, and an honest-to-goodness Hasidic Jew rapping, which I'm going to copy for a colleague who teaches a course on rap - but I really want "My Humps"! I can watch it for free anytime I want from AOL or Yahoo or MSN, but I can't seem to get a COPY that I can put on a DVD and play for the class. Any ideas? Thanks in advance!