This was fun to do, too!
I made the UFO with Ulead COOL 3D. The background is a digital creation I made long ago with something called Genesis II.
The beam effect was made by using the lasso to trace out the shape, then using the fill tool to color in the green with a transparency of about 50.
The wizard? Join and visit the PII Bulletin Board to find out! Or click this link for the Wizard's biased version.