Anything that can be saved or exported as an image (jpeg, png, gif): inspiration, wordle, create a graph, comic life, snapshots of anything on desktop, paint images, moticam pictures can be saved as images...

Can use the Embed widget function (looks like a TV icon in the edit bar):
embed1.pngembed2.png
embed3.pngembed4.png
embed5.pngembed6.png
embed7.pngembed8.png
embed9.pngembed10.png
embed11.pngembed12.png
embed13.png


Other embeds:
Voki
scribd or docstoc
Blabberize
Voicethread
Widgets- http://www.widgetbox.com


Inserting documents:
Podcasts, emall movies

Other sites that list tools:
http://web20guru.wikispaces.com/Tools+By+Subject