So here's a crossover collaboration w/
She drew Batman/Robin and coloured up my Joker/Harley
I drew up Joker/Harley and coloured up her Batman/Robin
a fun piece which has somewhat motivated me to eventually do up my own Batverse piece.
I drew my part on A5 paper w/ 4H and HB pencils and coloured her section in PhotoshopCS3 using an Intuos2.
for her section, it's probably best to ask her, heh.
Do check out ~aivii
's page, or her Tumblr