As mentioned in the announcement video here, if every registered person submits something, it would suck to spend all the time we have allocated for playing submissions sorting out missing deps/packaging issues.

In the interests of keeping it simple, .tar.gz is probably a good way to go (no sense in doing distro-specific packaging unless you're doing everything), but be sure to document any dependencies that you're not bundling (I've written some brief notes on bundling and LD_LIBRARY_PATH here if that's of value).