deliciousbrains/wp-amazon-s3-and-cloudfront — pull request #175 by NickStallman (2014-12-09 01:32:46+00:00)
Title: Add blog_id to the S3 url

This change makes the plugin work better for WPMU sites by adding the blog_id to the file path if it is detected multisite is enabled.

Could be a little crude, and possibly made in to an option, but this serves my needs very nicely and is working well.