Stuff

Alias /icons/ "/usr/share/apache2/icons/"
<Directory "/usr/share/apache2/icons">
    Options Indexes MultiViews FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all

    # and allow for our custom icons to not be caught up in the mess
    RewriteEngine On
    #RewriteRule   ^(.+)        /icons/binary.gif         [L]
    #RewriteCond   /pub/www/custom-icons/%{REQUEST_FILENAME} -f
    #RewriteRule   ^(.+)        /custom-icons/$1         [L]
    RewriteRule   ^(.*)$        $1
    RewriteCond   /pub/www/custom-icons/$1 -f
    RewriteRule   ^(.+)$        /custom-icons/$1         [L]
</Directory>

Alias /custom-icons/ "/pub/www/custom-icons/"
<Directory "/pub/www/custom-icons/">
    Options Indexes MultiViews
    AllowOverride None
    Order allow,deny
    Allow from all
</Directory>