It seems like there is an issue with the Amazon Servers we use for storing images.
Here is the status from their website:
Increased Error Rates
Update at 11:35 AM PST: We have now repaired the ability to update the service health dashboard. The service updates are below. We continue to experience high error rates with S3 in US-EAST-1, which is impacting various AWS services. We are working hard at repairing S3, believe we understand root cause, and are working on implementing what we believe will remediate the issue.
-- Michal, http://cakesdecor.com | My Facebook: http://www.facebook.com/michal.bulla
