Despite spending a lot of time with computers, I am not a picture kind of guy, and so have not spent much time taking any or drawing any. As such, I also do not know the 'rules' (laws) regarding what you can or cant do with pictures on the internet. So, what is ok or not ok to post as a MAL profile picture? Does copyright mean anything already found on the web? Is a screenshot of an anime ok or no? Most pictures I see are of anime characters but most seem 'unofficial' (personally drawn, etc). Any help would be great.
Also, what happens if you DO break 'the rules'? Even if its just an account ban, I would like to avoid that because it would be a pain to create a new one.