Prynt - Turn your smartphone into a Polaroid
Poet.so - Capture and share Twitter posts as beautiful images
Impossible I-1 Instant Camera - Take real polaroid photos with your iPhone
Snap a Tweet - Snap a tweet with this little tweet screenshot tool.
AiryCam - Look good in every photo
Tweetlet - Tweetlet is a free tool that lets you create beautiful images from your tweets, text, and any other images in a snap.