Half the problem is that folks are too busy using it to make things, than they are writing tutorials. Reading the sourcecode of the library and existing applications works pretty well though. The wiki is making some progress on tutorials as far as I know.

Yes, this is possible. You can also use "fasttile" under tools, to generate an animated sprite based off one of the 5 pieces, and all its frames. Then just add it in and load it all at once. It's completely possible, but sometimes not efficient enough for what you might want to do.