You've got quite a bit of work to do before you join the ranks of the 'great' sigmakers of SGW, but keep at it and you'll be there soon enough
I suggest you go through a few people's shops to see the different styles that people around here have adopted.. If you have any questions feel free to PM someone, and I'm sure they'll be glad to help
Am gonna be honest and try not to sugar coat it. They suck. But we all have to start somewhere. Different way of getting photoshop, can always trial and do stuff with that.
COLOURS!!! learn something about the colours and how to put them together (and how not to put them together)!!! for example: the first one colourwise is all right.