Pollachius is a simple texture for Minecraft. Look at the screenshots how the graphics change in Minecraft.

FullBright - Minecraft Night Vision Shader for RenderDragon!

Minimito's Axolotls is a mod for those who love cats and want axolotls to look like cats.

Emerald UI Pack - nice emerald minecraft texture.

Cyber Craft is a great addition that will change your game world and make it look like Cyber Craft for Minecraft.

Utility UI - Addition will change the textures of the user interface and HUD in Minecraft.

X-Ray - Mod will add textures with X-Ray ability for you know what.

Ancient Ghast addon with new texture for Ghast.

Trailer Graphics - RenderDragon! Beautiful and high quality texture for Minecraft.

Pesky Parrots Addon for many new parrot mobs.