I gave it a picture within a picture effect just for kicks. And here's the editor window:
Okay, now I'm getting confused. You can see the basic editing tools on the side pane. You can also use several plug-ins for special effects like 3D effects, sepia tones, or making it look like a polaroid. And it comes with special upload tools for uploading via ftp or to Ubuntu One or to a number of other image hosters.
The only minuses I found were Imageshack uploading was broken in my Wheezy version,
And I'm also informed that the Evernoting of Skitch is nearly complete as Evernote is eliminating all old Skitch sharing accounts and making users migrate to Evernote to take advantage of syncing! and searching! but apparently no direct links. Users have until October 10th to download their old images. Thanks, whoever sold Skitch to Evernote.