Hee-hee! The air guitar bloke has just copied all his standard blurb from real things that he sells, so it probably took him 10 seconds to put it in (he does say at the end that the ad is just for a laugh!). He probably did if for a bet or something...
And the date girl has bidders - she's put info on saying where and when the date will be. If its really for charity then good luck to her (but I think she should specify the charity online).