Boots an EC2 instance and uses it to download a bunch of files.
$ aws-grab.py --keypair <aws-keypair-name> --urlfile <list-of-urls>
You'll need to have your aws credentials condfigured, and ensure that the SSH keypair you use is loaded into your ssh-agent.
A t2.nano instance will be booted into your default VPC and security group which must be configured to allow you to connect via SSH. The list of files you specificy will be sent to the instance where it will be fed into aria2. Once downloaded the files will be packed into a tgz and transferred back to your local machine. The instance will be terminated upon download completion.