Get my blog back online immediately!

Help! My blog, [login to view URL], has crashed. The error message is: Fatal error: Allowed memory size of 8388608 bytes exhausted (tried to allocate 122880 bytes) in /home/waterwo1/public_html/wp-content/plugins/[login to view URL] on line 488 It's a Wordpress blog, version 2.10.3. I need a PHP/Wordpress expert to work with me to figure out what the problem is and get the blog back online fast. I'm looking for somebody who is available immediately and communicate with me via Instant Messenger.