One of our most popular Mega Packs is back on sale, and for a massive reduction in price you could increase your asset collection substantially with a wealth of new assets, most of which have been recently upgraded to support PBR rendering!
If you want to get your hands on the GameGuru Mega Pack 3 DLC, it's currently on promotion right now:
https://store.steampowered.com/app/321142/GameGuru_Mega_Pack_3/