There was a story on Digg today about a Firefox extension for submitting new stories to digg. In the comments there was a link to a site with a Bookmarklet that I felt was incomplete. I have revised it with the following features:

-If you select text on the page it submits it as the summary, if not, you are left to manually fill that in
-Opens in a new tab

This is untested in any other browser as I don’t use it, but here it is: Digg This