in I Saw a Flying Saucer, i use shaders to implement a coloring system similar to that of the Apple II. original sprites are 1-bit like this
deadlyyucca
deadlyyucca
i'm planning to head to BitSummit on the 24th. if you'd like to meet up, please let me know. let's say hi!
note: i can't speak english, so all i can really say is “hi”