Just for fun, I thought I'd share a few logos I made after following some very well written tutorials. They're not for anything in particular, just learning the tools of the trade. Part of being a great designer seems to be knowing how to use the tools available, so after following three different tutorials, I've come up with three logos with very different styles and learnt a few new illustrator tricks. Check it out.

Retro.

Green and leafy!

A Grunge Effect