Not to rain on your parade or anything, but there is a thread expressly for this question. I would suggest, in the future, to scan the stickies in the forum before making a new thread.

As for your picture, it's a bit difficult to tell. I'd say 3c/4a.
Hair Type: 3c/4a, Coarse, Med-High Density, Med-Low Porosity
Curly since '09