Wow! For a first attempt that's really good (much better than mine, for sure!). I like the idea for you have, and spaith is always of the good 😀. Also like the middle image a lot, the affect is really pretty, and the idea of it coming out from the center is cool. Just a couple things to keep in mind. 🙂
One, sometimes less is more. So when you're using a lot of different textures especially, it's usually an idea to either use less of them, or tie them all together somehow (with a caption or certain colour pallette, usually, but if you have anything else that's great too, just make sure to make that connection somehow to re-enforce your concept for the piece).
And two, be careful when using textures to not lose your basic photos in the process (the spike picture on the right has very pronounced "puzzle" textures, which is fine, but you lose a lot of his face, which looks a little bit awkaward).
Just a few suggestions, but really the best you can do right now is MORE! Lol, as cheesy as it sounds, practice really does make perfect, and you can only get better as you go along. You've got a great start, hope to see more outta ya soon! :thumbsup: