Selmon, I would say the best thing is just to approach this site (and you might say life) with a sense of humor. Some of what you post will be ignored into oblivion, other stuff will catch on as time goes on.
Please know, though, that everybody gets ribbed around here. Especially on OTW. Take things less personally and you'll experience it less. Head over to the main board and people are a bit more caustic, but still mostly civil and entertaining. Head over to PPP and...well...don't head over to PPP.
Oh and use the site to learn about football. Some of the posters are VERY knowledgeable.
As an addendum, if you want to instigate better conversation, try to ascertain what other people are interested in. Like everything else, your opinion is essentially a commodity. People will buy it or not buy it on THEIR prerogative, not yours. If you post an intriguing statistics-based research project on the Bills' linebacker situation, you'll get tons of replies. A movie review on The Smurfs? Not so much.