When I was trying to bring mine back from the brink, I managed to get some feeding response from well-soaked cyclop-eeze. Here's a pic of the "forced feeding" chamber I tossed together:
You can see some response in this closer-up shot:
As it turns out, the feeding didn't make much difference -- moving it to a different tank with lower lighting and flow was the ticket (as wrott mentioned above). Your looks to be in pretty rough shape, but it's not dead yet so give it a go.