Ok so here goes. 

Prepare yourself for lots of rambles and extra info that you may not need.  I find that some people learn really quickly and others need more detail.  So skim if you are a quick learner or take your time and hang off my every word if you need to. J  I don't mind.

Rounding corners in Photoshop is pretty easy.  You just need to know which tools to use.  If you use some other program, well, scram...

OK just kidding.  You can probably transfer the ideas over to whatever program you use.

So to start I will assume you want to round the corners of a photo so you can print it off with this nifty little look.

Oh yes, Magnus is participating in this tutorial.  This is what he thinks of people who don't scrapbook. ;)

So open