Sure. Do you see the little 'books with pens' icons to the left
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Those signify I (and others) have written a tutorial. Clicking on any of those icons will bring you a page that tells you what those tutorials are and give you the links. The Tutorial in question is located here:

http://www.cartographersguild.com/showthread.php?t=1431

And while it deals primarily with taking old Pen-n-Paper maps and importing, it works with any BMP/PNG image.