Ray B, You definitely have a bent bracket which indicates that the slide jammed or was blocked on that end. That is a Lippert component and they have online manuals for that. You can start here: http://www.lci1.com/index.php?option...=373&Itemid=65
As for the broken supports, they have nothing to do with your slide or mechanism. They are Cedar Creeks idea of a stiffener for the lower skirt. Inadequate and flimsy are an understatement. I had 2 break and one half way there after our first long highway trip. You could see the skirts flapping in the wind going down the road. I asked the dealer about it and he did the Tao of Lurch and suggested that I make my own mounting brackets out of a much heavier material and use more screws. So I cannibalized some old brackets from blinds and replaced all of those wimpy mounts. The tubes are fine for their purpose. Also, your slide will have to be readjusted after the impediment problem is solved and the bracket straightened. This is not that difficult however the slide probably tilts the scale at 1/2 ton so it's nothing to fool with if your not properly equipped. IMHO, the dealer needs to fix this for you.
Edit: After looking at the pic a bit closer, I appears that the bracket is pretty straight. It's the mount for the bracket that's bent.
I believe that mount is a welded part of the slide frame. Ruh Row!