kathy mack on this board sells samples
i would try out a bunch of products.
Some of my fav's are in my siggy. But not sure what works for me would work for you.
also, some the companies will send you samples if you ask
JC is great for maximizing your curls. But it is drying.
A big favorite on the board right now is homemade FGS. I know a lot of the girls makes it here on the board and I'm sure you could find someone one to sample some out to you... for a small fee, of course.
I personally would try sample products before i made the big plunge to spend 20.00 and 30.00 or hair products...
ETA-- just looked at your photos. I really think your hair would benefit from FSG