I too liked the dwarfs in the fight scene, moving about on their concertina stilts. And the deflating concertina sound as their stilts were taken out from underneath them.

I had to check who Nathan Lane was before replying but having done so I agree with your OP. It's a pity that the dwarves weren't darker and that Snow White's relationship with them wasn't developed more.
Fatima had a fetish for a wiggle in her scoot

I agree, and I thought he was underutilized! There should have been more of Nathan!
"We're gonna need a bigger boat".