TwitsnapsNotes allows you to compose a drawing note and when you tap the 'Ok' button to save the note. The note is converted to a JPEG image and uploaded to the TwitSnaps.com website with any notes. This service is provided by TwitSnaps
TwitterDrawingser is a full-featured drawing tool that allows you to share 240x268 pixel JPEG images on Twitter via FTP server. You can draw and also insert text into the images as well as use the drawing tools. The JPEG libraries are from Independent JPEG Group. This service is provided by Twitter
TwityfrogDrawings is a full-featured drawing tool that allows you to compose 240x268 pixel JPEG images and upload to your Twitter account via Yfrog.com. The JPEG libraries are from Independent JPEG Group. The Twitter image storage/updater service is from ImageShack
