20 points isn't much. I do not post often (maybe 3-5 times a week). 20 points != 20 posts. You get two points for an upbang and you get a point when someone replies to a topic you started.
You'll probably end up with 20 points quickly. (Assuming people don't consider the topic of helmet stickers taboo and negbang you, which is a distinct possibility.)
I would hate to sully the winged helmet with stickers. For some teams it works (OSU) others, not so much.