I’m sticking with my original Flickr login as long as I can, not quite ready to meld it into my Yahoo identity. I’m not sure why I’m holding out, maybe just for fun, but reading the latest Flickr blog entry, it looks like the ride might be over soon: Note for old skool members: the new mobile site, sadly, will not work for you: we’ve made the transition to supporting Yahoo! ID login exclusively for mobile. The vast majority of our users are now using Yahoo! IDs, and many of the cool features we’re working on depend on fancy-schmancy, high-tech…