They look good in terms of form and color. Actually great...but sadly I'm probably saying that because they do in fact, look a lot like mine.
I see you have the raw talent.
Now you need to find yourself. Your thing.
If it helps your direction at all...The first one looks the most original.
The bottom two, I can actually tell you are inspired by (from top to bottom) "Inherent traits:skateboard deck" and "At War With yellow"
The top one doesn't jump out at me quite as quick.
For you're first 3 paintings ever, you're on the right track, especially if you're still young, meaning not some 30 plus dude. /nopedo
I'd definitely like to see consistent updates from you but take some time to follow the links in the earlier pages of this thread for inspiration, and also check out the "Untitled" thread in Brickslayers as well.
Again, hopefully you view all that I'm saying as constructive criticism.