For OSX at least…
Navigate to /Applications/Flex Builder 3/
Right click on the app, Flex Builder and select explore package contents. A new finder window should pop up with a folder called “Contents”
Open the file Contents/MacOS/FlexBuilder.ini with a text editor of your choice.
Add the following line :
Except obviously you’ll probably want to use your own name 🙂
Save the file and restart Flex Builder. Now your automatically generated comments will contain your full name after @author!