Building links - small project - 1 week on high PR website

This is a small project that I need to complete fast. I want to build some links for an existing websites, maybe submit it to directories, maybe writing articles, maybe adding some social networking links, etc. I do not know. Website is only PR2. If building links, I want to know what you can do. Budget, 100$. I want it to be done QUICKLY, less than 1 week. I hope to see results and if so, we might continue. Please provide what you can do in one week for 100$ US for one website. This website is about tourism and Thailand. Thanks.