On Tue, 24 Sep 2013 08:38:19 -0400, j wrote:
What I've noticed is that the brads don't necessarily go where you point
them. What happens is that the brads follow the grain such that if the
grain is running diagonally the brad goes diagonally.

Brads *do* follow grain quite often. It's fairly common. Instead of
trying to explain what you need to, have a look at this link and then
ask questions if you have any. Scroll down about two pages.

http://www.waterfront-woods.com/Articles/Nailers.htm