I have a lot more multimedia than I can reasonably share through Mega, including 15 GB of ChinesePod, 20GB of some bizarre old educational series just labeled “Hanzi”, and 140 GB of Peppa Pig in Chinese. If I can figure out how I’ll share whatever I can.

No idea how legitimate this is, but I stumbled on this recently: https://www.flickr.com/photos/jpasden/51282243353/

Chinese pronunciation wiki

Chinese grammar wiki

Interactive pinyin chart