If you need to SSH to multiple servers regularly, this is the simplest way to do this:
Create a file (if it doesn't already exist)
Add the following entry for each of your servers
Host blog HostName ec2-192-168-1-1.compute-1.amazonaws.com User ec2-user IdentityFile ~/.ssh/acces-key.pem
To SSH to your server, run
To browse the files on your server, open any file, go to File > Connect to server.. In server address, enter
sftp://blog and you will be able to browse files in your server.