Media Wiki 1. A drop down menu when hover to image(4 Images). Javascript preferred. Make it easy to change for later time. 2. Admin approval before posting, or something like moderation. 3. Math Equation enabled, check this: http://www.mediawiki.org/wiki/Manual:Enable_TeX Budget $5-$15… (Budget: $30-250, Jobs: HTML, Javascript, PHP, WIKI)