I agree,in fact many masks look more sinister when displayed or worn in this way.You can get an effect when wearing a mask for photos, by putting on a black stocking mask first,it also acts as a liner which is better for the mask.Oh! if you aqquire the black stocking from a lady freind do wash it first you never know where it,s been 
Seriously though some film makers already consider this in a way in other films.For instance,the TCM remake,before donning the mask big Andrew would have dark make up applied arround the eyes,it had a better effect of course.I once saw some Sawguy masks for sale on Ebay that had a black gauze like material fixed behind the eyes and mouth,so you could still see and breath with it on ok, I thaught they looked really cool :thumbsup:
Seriously though some film makers already consider this in a way in other films.For instance,the TCM remake,before donning the mask big Andrew would have dark make up applied arround the eyes,it had a better effect of course.I once saw some Sawguy masks for sale on Ebay that had a black gauze like material fixed behind the eyes and mouth,so you could still see and breath with it on ok, I thaught they looked really cool :thumbsup: