OK... have two threads going at once, but I think this one is more appropriate for the question. I can't find any good vector images of Megaman so I went with a big raster image of him. When I view the overlay at print size it looks fine:

But at 100% (it's a 300 DPI image) it's all pixely:

I'm guessing that it'll print out OK, but I figured that I would ask here just to be safe.