Intermacgod is a realistic resource pack which is one of textures that are based on three different well-known texture packs. Intermacgod Realistic is based by this packs: LB Photo, Sphax PureBDCraft and KoP Photo Realism.
Minecraft 1.8.6 Resource Packs
PosterCraft HD Resource Pack is a very good texture, a bit cartoonish, but still comes in a good quality. Install it using MCPatcher! It also works with OptiFine! Enjoy!
Isabella 2 or Isabella II is the re-designed version of well know resource pack called Isabella. It is offers almost the same dark and gloomy feel but with brighter visuals and colors.