Use the direct link to delete your account.
Note that this will probably not remove all your posts, because all your pictures were uploaded in to the wild!
URLS:
http://twicsy.com
http://twicsy.com/auth?remove=true
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.