User blog comment:Acardwell415/Wikia's Halloween Costume Contest 2013/@comment-4904721-20131024163231

Gravity Falls is dressed up! http://gravityfalls.wikia.com

Community discussion at this thread

Changes made (mostly based on the Summerween episode):
 * Background from Summerween episode with Polaroids of characters in costume, courtesy of Bill Cipher. Polaroids reference Mabel's Halloween scrapbook.
 * Wordmark with Jack-o'-melon, courtesy of Bill Cipher
 * Favicon now the mask of the Summerween Trickster.
 * Chat mods/admin icons are now Jack-o'-melons
 * Theme changed to spooky colors. Orange buttons, purple header, black background with increased transparency to show the Summerween Trickster attacking Dipper, Mabel, Candy, and Grenda.
 * Character portal on front page changed to images of characters in their Summerween costumes.
 * Image slider starts with image of the Summerween Trickster wishing everyone a Happy Halloween!