Here is an example of what I'm after...
You can see how the heads are placed on the different characters, and cycled through different expressions. That's what I want, but with my head on the dancing man in this video:
I've uploaded the video here:
And I already have the PNG (transparent background) files of my face ready to go.
The duration of the video will only be 7 seconds (from 2:31 - 2:38 in the clip), so this should be a cakewalk for someone experienced. I want it to look goofy, not realistic.
Hope to hear from you!