over outlined regions of the pictures. This is used to label particularly interesting parts of the
picture. It's quite a nice feature, and someone asked exacty how such a thing is done.
So here's an instructable. :-)
Unfortunately, this Instructable is mostly Obsolete
Step 1: Starting point
instructables username, of course.
Click on the "upload images" link to get to your image library.
Step 2: Go to image library
Click on the "image libary" link to get to the page showing the files you've already uploaded.
Step 3: Pick a picture
This will switch Instructables to "image edit" mode at the default resolution.
You'll be in the same sort of "image edit" mode when you add an image to an Instructable you are creating or editing, so you don't have to add the popups right after uploading, separately from entering an instructable. In fact, it probably makes more sense to do it as part of the instructable creation (the remaining steps are all the same), where you have the context of your ... text.