I don't know if this is the ideal solution, but I've been uploading some photos I've processed on Instagram and sticking them in a WordPress blog. It's not too tough when using the WordPress app. Anyway, I played around with the slideshow format, and it seems to come up pretty nicely. Others who might want to share their Instagram photos using the WordPress blog might want to try the same.
Here's how it looks:
http://rooktopia.wordpress.com/2012/06/19/some-of-my-better-instagram-photos/