I have a site running at pixie.strd6.com and images hosted through Amazon S3 with a CNAME for images.pixie.strd6.com.
I would like to be able to draw these images to
To edit your S3 bucket permissions:
1) Sign in to the AWS Management Console and open the Amazon S3 console at https://console.aws.amazon.com/s3/
2) In the Buckets list, open the bucket whose properties you want to view and click "add CORS configuration"

3) Write the rules you are willing to add in between the tags
*
GET
3000
*
You can learn more about rules at: http://docs.aws.amazon.com/AmazonS3/latest/dev/cors.html
4) Specify crossorigin='anonymous' on the image you'll use in your canvas