Database Work Needed

Hello all, I am launching a new affiliate advertising website. This site will advertise other paysites in the hopes that I can refer some sales and make some extra income. I have the design complete, but I need to add functionality to it. Basically I have a search box and under the search box I have a text link list. I would like the site to function as follows: A user can either type in a keyword in the search box or click on a specific link (listed under the search box) and the results would appear in the middle of the site as 66 x 100 thumbnails linking to the hosted gallery. I would like to have all of the thumbnails linking to the hosted galleries contained in a database. For instance I may have 120 thumbnail links in the database that all have the tag, “Blondes”. When a user types or clicks on “Blondes”, I would like script to randomly pull 72 thumbnails from the 120 and display them in the middle. If the user were to search or click on “Blondes” again, the script would again pull (at random), 72 thumbnail links. If there are only 15 thumbnail links in the database for a particular tag, only the 15 thumbnails appear. Once the script is complete I would like the ability to simply add tons of linked thumbnails to the database tagging them appropriately with their content. This way a user only has to type in or search for their desired preference and 72 thumbnail results would appear in the middle at random. As I will be adding more thumbnail links everyday, it is important to have an easy way to import the new thumbnail links to the database. The site design is complete and hosted at www.hotyoungandfree.com. This is only the design, with no functionality, but it should give you an idea of what I am seeking. I can provide all of the .psd or .png files if needed in order to help you incorporate the design to the programming. There are three silver frames at the bottom of the site, please note that these will be used for static advertising and will not need to be part of the results from a search.