VideoTweet (http://www.arcticwhiteness.com/videotweet/) is a new app for Mac OS X with one objective – to provide a simple way of sending videos to Twitter.
It’s designed to handle all the details of uploading a video with your tweet. Videos can be dragged to the standalone application. However, it also supports sharing from iPhoto, QuickTime and Final Cut Pro. X
VideoTweets is free; however, tweets will contain a link back to the developers site. Register for approximately $3.45, and the link will disappear.