Well, you have seen them all already. One is the very ACD-canon version in the Miss Marple x-over, although I tried to make her a bit less timid and more up-to-the-century. The other one is also fairly canonical, from "Sherlock and the Illustrious Client." The third one is the Wholock version, 'played' by Ayeshwaria Rai. And the fourth one is, well, Tosh. ;)