[TheMilkCarton]

Can someone smarter than me make a vertical version?

You can download the uncompressed fisheye source here

I've changed the JavaScript to work kind of... But I'm no math major, so the distance formula and grabbing the cursor's x,y position isn't exactly optimal.

It works fine vertically on my test, but it doesn't scale well if you change the magnification.
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As for the problems with other JS and AJAX, this is going to continue until the $ in the JS is replaced with something else. I'm working on this myself.

Oh, and I've never downloaded this mod, I'm just using the original files, so other than porting this, have there been any actual code changes?
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I managed to get it just the way I want it. I had to change a lot of code, obviously. I have to spend a while figuring out more accurate math for the JS though, since it won't scale properly with the icon size. And until I get it perfect, I don't think I'll be releasing it, sorry! (Not like anyone wants it... =p)

Screenshot: Attachment 71609

I've only made two icons so far, also.. Maybe when I finish them I'll at least release an icon add-on.