We made some changes when migrating the site from one AWS account to another, and this resulted in some ill-configured images in various parts of the site. We have fixed the problem. You may need to clear browser cache to fix the issue.
Do you mean unclog it? If that is what you meant an easy way you can do in your drive way is to get a coat hanger and shove it (gently) into the hole and wiggle around and that should loosen the block and help it come out.
The other way is to use an air compressor with an air nozzle.