Forum Moderators: rogerd
Here are a couple of threads from the library that might help:
Starting a Web Community [webmasterworld.com]
Pulling forum lurkers out of hiding [webmasterworld.com]
In the early days, you (and any friends or associates you can enlist) may have to do a lot of posting to make the forum look active and to respond to new arrivals who may post. You may want to hold off on the Adwords until you can figure out how to convert a reasonable percent of visitors into posters.