Whao,
That is impressive, you must have helped a lot of people

I helped mainly how to use css, how to center a div, how to change header image in WP. Easy tasks
I have a good tactic when posting at DP. I look for unanswered questions. If there is more than 5 replies i won't check that thread.

Excellent strategy, when I posted at DP I usually try to respond first but as you know its a very busy forum out there.

Yes, undoubtedly the first responder receive the highest traffic volume through the sig links. Of course it is not a general true, but typical.