Red and Green Thai Curry Pastes

In February this year I decided I was going to make my own red and green thai curry pastes. I looked into some recipes and found some interesting ingredients that I had never heard of: galangal, and kaffir lime leaves.

Galangal is a root that looks vaguely like baby ginger and tastes like "has a citrusy, piney, earthy aroma, with hints of cedar and soap" according to Wikipedia, although I can't describe it myself. Kaffir lime leaves taste vaguely lime-like and look like this:

Kaffir lime leaves