I am lucky to tell you that some of my assets are in the Humble 8-Bit Pixel Game Dev Bundle. Don't hesitate to take a look and get as many as you can, it's a unique opportunity!

https://www.humblebundle.com/software/8bit-pixel-game-dev-software?hmb_source=navbar&hmb_medium=product_tile&hmb_campaign=tile_index_2