I've had the Instagram App on my iPhone for ages, but just started using it this month. I love the nostalgic look for holiday photos.
If you want to check out my Instagram stream/profile thing, here's a link:
Just click on that little camera icon.
Any tips from Instagram users? I kind of set up my profile and took a few photos, but that's the extent of my knowledge right now. Can you add other filters? I'm clueless.