Actually, it's more of a Sky Ray than a Hammer Head, but 'Ammer 'Ead sounds better
After seeing the 4th Indiana Jones movie, I figured I could make an orky version of that tree-chopper vehicle with the saw-blades and such, so the other day I finally went to GW to pick up everything I needed to make... this thing. I really had no idea what it would look like in the end, I just sort of made it up as I went along (in the true ork fashion).
Rules-wise, it's a battlewagon with a couple big shootas and a really (really) elaborate deffrolla.
Here's the right side:
The Left side:
And the back:
The back half of the Zzap gun makes a really neat looking plasma generator, although it also looks sort of like a water cooler.
Well, there it is. C&C are appreciated, and I'll post more pics once it's painted.