Twitpic announced this week that they will be shutting down their service. It appears that Twitpic’s upload API has already been shut down and is now reporting errors when uploading images. If you were previously using Twitpic as your image service, you’ll need to select a different image service in Tweetlogix Settings.
To select a different image service:
Note that yfrog is also currently experiencing server-side upload issues, so you will not want to choose that option either.