Blog

At http://twitterfeed.com you can create an account.
Fill in your twitter account.
Submit a feed to your blog.
And posts are posted to your twitter account periodicaly using your blogs feed.

It's impossible to override this function.
Why? Look at the functions name. It confusses drupal thinking its an implementation of hook_theme(). So any override in template.php using phptemplate_tiny_mce() or theme_name_tinymce_theme() wont work.
You need to patch the module.
If you want to add a text area that doesnt need tinymce just add an other rule shown by the id of 'my-textarea'.
<?php?>

Go to windows host file (C:WindowsSystem32driversetchosts) and add :
Or on linux go to /etc/hosts and add
127.0.0.1 name_of_your_host

Go to the httpd.conf file in appache and add :

NameVirtualHost *:80
<VirtualHost *:80>
  ServerName name_of_your_host
  DocumentRoot "C:wampwwwname_of_your_host"  //or whatever the path to your host is
</VirtualHost>