Yes! You can personalize greeting cards with your photos using their software and have them printed. I am pretty sure it will be cheaper than printing with your home printer. In some cases you can have the prints sent to your home store to avoid shipping costs. I think it is worth looking into.
This article from Yahoo Answers might be of some help:
"There was a lot more software for fun projects until Windows XP came along then everything seemed to get serious. When Vista replaced XP the fun programs disappeared. I started with Picture It!, too. It was great for a beginner. There are very few programs - if any - out there right now for the truly beginning photo taker who wants to play with and have fun with their photos while creating things.
I wish I could list a dozen project-oriented photo programs for you but I haven't found many for today's computers. Broderbund's Printmaster is about the only all-in-one piece of software left and it's not really designed for much detailed photo editing. I switched to Printmaster for a short while after giving up Picture It! - and while trying to climb the learning curve of Photoshop 7. »www.broderbund.com/c-6-design-print.aspx"