I like it a lot!
The shadow looks a little funny though. I mean, the shadow for the head and body look ok but the leg shadows don't seem right. Because of that, the feet sort of look like they are floating. I'm having the same problem with a composite of my own. I think the leg shadows look fat compared to the legs themselves and they don't seem to extend down to the feet......
I just noticed that the shadow also looks bigger than the ant...? How did you do that?
Over all I still like it a lot