Ngoh gei hou, lei le? xD
I'd be more than happy to help you with your Cantonese, although it's not the best, just warning you xD Unfortunately I can't help you with Teochew. The paternal side of my family speaks Taishanese and the maternal side of my family speaks Siyi. Although I only understand a few words in both dialects, so my parents just speak Cantonese with me :p
What do you wish to learn Pichu-san?