I'm working on an art generator for video games:

https://linseed.io

It's in beta, but please give it a try! It's free, although probably not kosher to use for compo (not open source). But might speed things up if you just need a gold coin asset or a ray gun or whatever. E.g., 30-second pirate ship:

It does best-effort on transparent backgrounds.

Let me know if you try it out, I'd love any feedback or suggestions!