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Imgs Never Expire: mod_headers
# Works with HTTP/1.1 only
<FilesMatch "\.(gif|jpe?g|png)$">
  Header set Cache-Control \
  "max-age=315360000"
</FilesMatch>
# Works with both HTTP/1.0 and HTTP/1.1
<FilesMatch "\.(gif|jpe?g|png)$">
  Header set Expires \
  "Mon, 28 Jul 2014 23:30:00 GMT"
</FilesMatch>