http://www.headinjurytheater.com/article21.htm

I used to collect these when I was a kid. I was too young to know how cool they were and I think I only have a few left, but they’re all messed up anyway. I remember they came out either right before or right after a remake of the classic “Martians Attack!” series, which were done in the same style. I thought they were awesome, but as a kid, I had absolutely no control over being able to obtain a few packs. So my collection was pretty scant. I remember most of the cards here though, so these must have been the really common ones.
The artist for most of the set was a gentleman that went by the name XNO a great artist in the “Kustom Kulture” and “Low Brow” Art scenes.

Tragically, it’s very difficult to find a web gallery that features high resolution XNO paintings. They’re really fucked up and amazing (FUAA).