Not sure how others do this, but I use Amazon Cloudfront. You just prepend the cloudfront url to your asset path (like mybucket.cloudfront.net/path/to/my/local/

Not sure how others do this, but I use Amazon Cloudfront. You just prepend the cloudfront url to your asset path (like mybucket.cloudfront.net/path/to/my/local/file), and ... that's it. That's all you have to do. It's fantastic.