www.mnsu.edu/comdis/kuster2/sptherapy.html
This is a HUGE list of special needs resources including interactive sites, specific disability assistance, generators, templates and much more.
Some good interactive games are Brain Pop, BBC, What's in the Bag, and Starfall.
If you have an ipad, or iphone, there is an app that you can download for $14.99 called WH questions.