I bought the amazing double pack for the Batman Legacy set, I was amazed by the brillaint sculpt of both Batman and Harvey Dent, it beats the hell out of the DC Direct Arkham Asylum sculpt, though it had 4 majour problems:
His neck was over extended I believe in an attempt to make him in scale with the DC Direct figures (I wish they'd stuck with the DCUC scale much nicer selection).
His face although a better sculpt needed a better paint job.
His horns were to thick, I assume this is due to Mattels new safety procedures?
He had a plastic cape, that did not cover the tops of his shoulders.

I removed his head repainted the eyes and chin area, removed the neck piece trimmed the height of the neck peg.
I made a cape out of the same material as my Under the Red Hood Batman but I decided to scallop his cape this time, there are 7 points/6 scallops. There's a piece of thread running from in front of his shoulder joing from the front of his cape through to back so as to keep it hanging over his shoulders at all times. The back has a few folds permanently stitched so as to keep the cape from coming in front of his arms.
Then removed extra neck height to shrink his head height. Reattatching the head was the hardest part as the little ball his head sits on would not reattatch to the peg so I gave up and stuck a screw in and covered it in aves sculpting putty so his head would sit on it.

EDIT: Realised the main picture was a blurry shot, so I uploaded a different shot, there's more on my blog at blogspot. Also please pardon the mess in the cape shot ;)