I love to see fun takes of pumpkin decorating. Using tulle on sale at fabric stores and some ribbon or stickable gems from the dollar section of stores will really jazz them up in a glam way. Add lace stockings to the mix and you will create a lot of pretty textures. I think for a party a fun favor idea is simply using rubber gloves for candy.
A white and black color scheme is classic.White spray painted pumpkins and tablecloth with all black accessories would look very nice.
Using more gothic color schemes like purple and maroons with black is also very chic. No matter what you do, have fun and enjoy and be sure to check out Halloween pins on my Holiday and Seasonal Decor board.