i'm just having a thought here (it's a rare thing) but your zombie guy is pretty buff, yet the decomposition evident in his face is not reflected in his 'just worked out at the gym' body it's taking away from his zombieness.
LOL I backed off on doing too many details until I got more of the whole scene blocked. Thats a trap for me...so I'm trying to paint zoomed out more. I think she ate his face off.