- doing a search in phrases for the too short message gives me the error phrase "tooshort" Doing a search through the files for that phrase gives me a list of 8 files (actually more, but results for "usernametooshort" came up also)you would have to edit to modify the action. Hopefully you have an editor that will allow you to search all files in a directory and then you will get them all.
- there is a View First Unread button on the top of the thread that takes you right to the first unread post. Isn't that what he wants?
- can't do it with just a link. You need to modify the code. Look at the form action

rofile.php?do=doaddlist&list=&userid=2 That should tell you were to look.
- You can offer different styles to users. So, an easy way is to have one style with one type of notification, the other with the original.