Below is a post to the Software Carpentry instructors mailing list that summarizes what upcoming workshops are in need of instructors. Note that there is an ecology Python workshop in Atlanta that needs a Python instructor (certified or experienced preferred) coming
up. Travel expenses are paid by the host.
(I won't forward all of these, just ones that seem particularly applicable. You can join the SwC list if you are interested in opportunities to travel around teaching Carpentry workshops.)