1. Open up a username grabber, you can download a great one by Oliboli here. Login on Oliboli8769's username grabber and up arrow key to open up the grabber. Alternatively you can download a list from this thread.
2. Click on 'save .txt' for toxic cracker, alternatively you could download the list as a .ulist for this cracker.
3. Rename your .txt file to usernames and drop it in the folder with the toxic cracker application.
4. Open up the cracker and just sit back and get accounts!