Includes the original Rickroll Blaster made by Linguica and two derivitive WADs.
shit.wad- The Rickroll Blaster.
shit_fixed.wad- The Rickroll Blaster with an alt-fire that blasts Chocolate Rain.
moreshit.wad- Replaces Never Gonna Give You Up with Burn, Baby Burn and adds color strobe effects. Also causes monsters to dance. Zombies and imps burst into flame.
I also put this up on Demonoid, in case this isn't working.