I suggest you check out elance.com. You can set your price and have folks bid on it.
The way you have described payment (limited budget) is very difficult to deal with as a free-lancer.
You're going to need to develop a very clear list of what your looking for in order to reduce the amount of back and forth that would scare most folks from talking on your project.
elance.com is the best place to look for what you want and you will be tapping the skills of developers from all over the world.
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