Originally Posted by nathancarter
This thread has a good idea on making the tights:
Essentially, you cut out stencil(s), put on the tights, and airbrush/paint the bats on the tights while you're wearing them. And don't remove the tights until the paint or dye is fully dry.
As fr the wings, I don't have any great advice.
Thinkgeek.com has a killer set of leather wings that would be perfect for that costume although they are a little pricey.