images into printable posters?

[starryskies143.livejournal.com]

Hi, I haven't been to this community for a while, but I was wondering if anyone had any links to websites that can enlarge pictures into posters? Like, you'd have to print out multiple pages and glue them together to make one big poster? I've been looking around the net and found Rasterbator, but my image came out with such low quality. I also searched the memories. I'd appreciate all the help I could get.

Have fun crafting!