The decals are easy to make, but hard for me to tell you how to make them in writing. As far as paint goes, to make the front and back decals go to "Image" and then "attributes" set the width to .59 and the height to .51. That will fit the minifig perfectly as the front and back of their shirt. Zoom in as far as it will go (click on the magnifing glass), and make a digional line on each side of the square, similar to the lego shirt, so the shape doesn't look like a square anymore. Finally begin experimenting with colors and shapes to make a decal. I also make side and leg decals, but these are more complecated. When you are done print them out on sticky paper. Or on a regular piece, and tape it on. I hope you found this helpful, considering I spent 15 minutes typing it for you. If you have any questions write a comment on my page, and please put a happy face next to it.
Thats actually really funny, I like it a lot. I think that the tree may need a little work, you know some more branches...
Two questions for you though..
1. Is the barrel cut off of the sniper?
2. Do you know offhand if it's ok to use fake moss in a jungle creation, like sprinkle it around the creation? I'm using that for my rescue mission, it looks awesome so far but I don't know if it's appropiate to use fake moss. You should use it to it makes the forest/tree scenes look much more realistic.
And even more text: I changed my mind on my creation for my contest, I'll be able to make the contest by the 25th, so I'm in.
Very nice creation!!