1. Download and install the ElasticFox plugin.
2. Enter your credentials.
3. Enter your account information.
4. Select the KeyPairs tab.
5. Click Create a New Pair.
6. Save to a file; for example ~/.ec2/affy.pem.
7. Select the AMIs and Instances tab.
8. Click Launch Instance(s).
9. In the dialog box, select the keypair that you created in step 5.
10. When the AMI is running, you should be able to connect to it without a password prompt.