Edusim is a free opensource 3D multi-user virtual world specifically for your classroom interactive whiteboard (Smartboard, Activeboard, Interwriter, Mimio, eBeam, or WiiBoard).
Edusim is extendable allowing multiple classrooms to connect their interactive whiteboards for collaborative learning session.
This is a great agenda with lots of links for training teachers to use the interactive whiteboard in their classrooms. It has a bit of a SMART bend, but easily adapted. I'm going to get a lot of mileage out of this one. Check for dead links, though.
Here is our collection of interactive SMART Board games for educators on PBS KIDS. Students will enjoy participating in these collaborative, fun and engaging experiences, while exploring curriculum from trusted programs such as Curious George, Super Why and Arthur. Like our programs, all of our games are age-appropriate and vetted by educators.
In an attempt to make the "I" in IWB truly Interactive, I've been on the lookout for websites that can be used interactively on all IWBs, regardless of brand.