G2 Mods and Themes - Xda Developers

[SactoKingsFan]

This xda thread created by ShyamSasi includes an extensive collection of G2 mods and themes. There's also a ton of wallpapers.

[INDEX] List of Themes and Mod’s for LG G2 - xda-developers

You need to be rooted and have custom recovery to use the mods.