Hey, your SMS alert site looks good.
Here are some ideas, not sure how much work they would involve nor am I willing to pay to have them built at this point, but do with them what you want:
YouTube bitcoin tipjar, perhaps with additional functionality like this:
http://www.embedplus.com/vBulletin add-on that allows users to tip posters for good posts, and allows posters to hide content until user pays to reveal. Could be based on this:http://www.dragonbyte-tech.com/vbecommerce.php?productid=40&do=product
Similarly, a way for
http://status.net/ site owners can allow users to tip or charge for content
Build a site like
http://blahtherapy.com/ were listeners can charge for their service, or talkers can tip them if they choose