A tentacled horror runs amok in this illustration by Jon Foster for the short story "The City Quiet as Death," which you can read here.
Foster's gallery is full of great illustrations and sculptures, which are unfortunately not labeled well enough to indicate where they've been published. Here's one more standout, apparently from the Mistborn series:
Via these sites.
*Previously: Vickie from Small Wonder runs amok.
*Buy Cthulhu toys and collectibles at eBay.