View the banners here: link

As banners are 800x100, adding them as the poll images would ruin the dimensions, essentially making them unviewable, hence why I haven't added them. Of course, I shall add them to the Images section for people to comment on.

I like the idea of using chess to symbolize a complex series of thoughts moving against one another as they do in debate.

^ Indeed. It is a good one. xD

This just represents debating more than the others, besides SweetMoonlight #4 (my second vote).