My five cents on avatar contest rules: Within the overall general rules used across the whole forum (size, theme, etc.), it should be up to the host to decide on specifics beyond that.
For instance, I specify non-animated avatars when I host simply because I find it godawful hard to deal with a screenful of jerky, repetitive images. This is why I rarely enter or vote anymore, since there seems to be a bias in favor of these repetitive animated entries, not to mention angry demands to explain why I want non-moving entries if I should happen to win and host the next contest.
I can think of lots of possibilities to enter, but won't, if I'm expected to make them the kind that literally give me a headache to look at.
Oh, and a further five-cent opinion... I see nothing wrong with multiple entries of the same musical, as long as they're not identical to someone else's entry (ie. Tevye's "If I Were A Rich Man" is iconic, but there are lots of other great images of Fiddler on the Roof that could be used).
