We need a simple logo along with text either outside or inside the actual logo. Here are some of the things we could consider as the actual logo piece. Maybe an outline of one of these with minor detail, without a cartoon feel.
Knight (chess piece)
The actual logo (not text) will be blended into all images of our new website, so it needs to have a strong recognizable shape.
In any shape or form you can imagine, as long as the wording "SEO Professionals" is clear.
Not picky about the colors, but of course it needs to blend well. Perhaps use:
Thanks to all who participate, and good luck.