Okay, the slideshow and screenshot manager are completely finished...

If you want to use it and signed up before this thread was posted, you'll need to re-apply your theme.

Or, if you want to manually add it, please something like the following in your profile layout box:

$SLIDESHOW( 190,190,000099,000066,Screenshots)$

What it means is:
$SLIDESHOW( width,height,color1,color2,title)$

if you leave off the title field, it won't draw a box around the slideshow, making it better for embedding below your about me section.

It won't appear unless you have screenshots uploaded.
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This is my sig. You wish your sig was this cool.