A little more research.

After (re)finding the wonderful magazine 'MAKE', I saw a little online clip they had advertising one of their issues that utilised Augmented Reality.  I also found a link that they had to the Layar website and followed it, creating my own account and the ability to create Augmented Reality apps/layers for myself!  Finally!

http://layar.com/publishing is the site that I'm on now and I can't wait to get started!

Here are a few more links to various videos and things that I'm also looking at this afternoon:

http://www.youtube.com/watch?v=AsD0DuPT1GI - an introduction to Layar.

http://www.youtube.com/watch?v=8KFjlpnMhmw - explaining how it's done.

There is not much of a downside, really.  Pricing is pretty cheap, so that's a bonus.  For the free service, there will be Layar ads floating round with whatever it is I'd want as my Augmented Reality image and the Pro service - with no ads - is about 15 Euros per page.  Whether I can print several pages of the same thing and have them all work remains a mystery, but I can't see why that'd be a problem.

Oh, I've also been given the description 'approved Layar Developer', too.  That makes me happy.

http://www.layar.com/blog/2012/03/05/speakers-academy-magazine-view-layar/ - Speakers Academy magazine has utilised Augmented Reality in their Spring 2012 issue.  The magazine is fairly word-heavy and does have a good number of images throughout but there's something about seeing the speakers doing what they do that appealed to the editors, which is why they included it.

Finally, http://boingboing.net/2011/11/21/layar-augmented-reality-for-ma.html is the site that has given me the first two youtube links.  It's also where I'm going to be going when I need to create my Layar stuff - it's a big ol' page of steps to take to create a Layar layer.

Fun stuff.

Peace.