Just make sure your USB drive is already formatted correctly before proceeding. If you're more comfortable with Terminal commands, this is the method for you. If it's more toward the latter, you might get a ' AppleEvent timed out' error, but it should still work, according to the developer (it worked for me). It could take anywhere from 15 minutes to to 45 minutes to finish, depending on your USB flash drive. Then just follow the rest of the prompts to start the disk-making process.
