Please remember to sign your name on talk pages by clicking or or by typing four tildes (~~~~); this will automatically produce your username and the date. Also, please do your best to always fill in the edit summary field. Below are some useful links to facilitate your involvement.
Adding {{unblock-un|your new username here}} on your user talk page. You should be able to do this even though you are blocked, as you can usually still edit your own talk page. If not, you may wish to contact the blocking administrator by clicking on "E-mail this user" on their talk page.
At an administrator's discretion, you may be unblocked for 24 hours to file a request.
Please note that you may only request a name that is not already in use, so please check here for a listing of already taken names. The account is created upon acceptance, thus do not try to create the new account before making the request for a name change. For more information, please see Wikipedia:Changing username.