With URLy you can shorten long URLs (with bit.ly, goo.gl, TinyURL, 40 more), upload (Yfrog, Imageshack, FileSocial and more) and post the URL and a message to Twitter or forward it to other apps like Facebook, Buzz, SMS, Mail, etc. See blog for details.

TwitPic Share Online plugin for Android (TwitPic Share) is an Android application that enables you to upload-and-tweet photos to websites from any fellow application that has a Share command.