Recently active topics in TwitPic tagged with posting

my last two twitpic posts have not posted to Twitter. Is there a problem somewhere? Will this be fixed? :(

I get the following message when I attempt to send via email:

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 552 552-5.2.2 The email account that you tried to reach is over quota.