Lets start with my favorite Halloween mani this year. The Spooky Sunset! http://rainysunraysnails.blogspot.com/2012/08/fall-nail-art.html
Candy anyone? http://rainysunraysnails.blogspot.com/2012/10/easy-candy-corn-nails-fall-2012.html (easy)
Black Widow! http://rainysunraysnails.blogspot.com/2012/10/halloween-howto-easy-black-widow.html (easy)
Saran Wrap Webbing.
Caviar Jacko-Lantern (moderate)
Flocked Jacko-Lantern (moderate)
Stained Glass (easy)
Glow in the Dark Slime (difficult)
Bloody Nails (easy)
Here are some designs I never did tutorials for. Just enjoy!
Brains or Intestines
Someone dropped a house on this one!
Halloween/Breast Cancer Awareness