You can add a graphic from a direct link culled from Google Images or other source that gives you a URL for the image using the img src HTML tag and pasting it directly into the Project Body window. So, a link that looks like this:
img src= "http://curriculum.dpsk12.org/images/sci_fair_layout.gif"
with pointy brackets around it would look like:
You can also embed videos the same way, but using the embed code offered by most Web sites:
And podcasts can be added using the embed code:
And how about a lovely VoiceThread?
How about an RSS feed on your fave blogs? If you don't have embed code for your blog, just make a widget!
Note: These features allow you to make Web pages for topics outside math/science.