RewriteEngine On
RewriteCond %{REQUEST_URI} .*/im/(..)/(.*jpg|.*gif|.*png|.*jpeg)$ [NC]
RewriteRule ^(.*)$  http://i.asdf.us/im/%1/%2 [R=301,L]
Header add Access-Control-Allow-Origin "http://atrium.dump.fm"
Header add Access-Control-Allow-Origin "http://dump.fm"
Header add Access-Control-Allow-Headers "origin, x-requested-with, content-type"
Header add Access-Control-Allow-Methods "PUT, GET, POST, DELETE, OPTIONS"