Originally Posted by fris

just use software.

Universal Forum Poster allows you to control many forums at once. With just a few simple clicks your message could appear on as many as 1000 message boards. Universal Forum Poster currently supports the following message boards; Invision Power Board versions 2.0 and higher, vBulletin all versions and phpBB type of boards as well. It has ability to detect which type of board and version is installed. The program is also able to detect if it supports the given board or not. So, all you need to do is simply create a list of forums, add your messages and press the Post button, the program will do the rest for you.

CURRENT FEATURES v1.0
Automatically Detects board's type and notifies you if you've entered the wrong type.
Import / Export your Forum lists. Import / Export your Messages.
HTTP Proxy Support. Built-in Proxy Checker, which checks if the proxy server is valid or not. Detects CoDeen Proxy servers and notifies you. Plus, returns Latency (the speed of the proxy server).
Timer, allows you to set the time when to send next message. You can also
set the interval between sends (to bypass flood control).
Your Message can include standard board tags, Bold, Italic, Img, Link.
Account Creator, will help you create your accounts much faster.
Create Text or HTML Log files.
Automatically Shuts Down computer when its done (if enabled).