You guys can actually post these kinds of jobs in many outsourcing sites like oDesk, Freelancer, Elance, etc. When you post these kinds of jobs, you get better chances of hiring people than posting in these kinds of forums. When you post jobs, make sure you include all the details for the job so that those who are interested to take that project/job will know and understand the project and also so that they will bid a reasonable price. You may also want to set a rate whether it will be by hour or by project.
You can actually read guidelines in offshore outsourcing so as you'll know how to hire people offshore because there are actually a lot of risks involve. One is of course hiring the wrong service provider - he/she might leave you when the project is not yet done or maybe not doing the project right. Here's the article you can read: http://www.timedoctor.com/blog/2011/...ow-to-use-them