Heath recently started a discussion in our forums on whether we really need to publish multiple video formats now that Flash can play mp4 files. Several people are thinking along the same lines, and some have dropped the vPIP plugin in favor of the Blip.tv Show Player. Right on cue, Blip.tv announced that you can now create a Show Player that will work on the iPhone. And Mashable reports this means Blip.tv ads will now be viewable on the iPhone, which expands producers’ revenue opportunities. We’ve got the how-to for you right here.