Alright, so if your weary for whatever reason that you may have a keylogger or something, this should put you in the clear. Simply up up notepad and make a bunch of text, talking about something random. Somewhere include your password in the text (Make sure you have 'Remember account name' on in the WoW window. Now before you log on, upon up the document, highlight the text and hit cntrl C. Pull up the WoW window and click on password, now hit cntrl V. There, you logged in without a single keystroke. And now if screenshots are taken, all they will see is the document.