htaccess hotlink prevent code modifications

[nappyhead]

I've been using hotlink protection through this htaccess code.

 

RewriteEngine on
RewriteCond %{HTTP_REFERER} .
RewriteCond %{HTTP_REFERER} !^http://([^.]+\.)?mysite\. [NC]
RewriteCond %{HTTP_REFERER} !google\. [NC]
RewriteCond %{HTTP_REFERER} !search\?q=cache [NC]
RewriteCond %{REQUEST_URI} !^/hotlink\.png$
RewriteRule \.(gif|jpg)$ /hotlink.png [NC,L]

 

It works properly and prevents hotlinking from ALL image directories on my server.

 

How can I tell it to allow hotlinking from a couple of directories that I designate?

 

for example, I'd like to ALLOW hotlinking at the following URLs:

 

mysite.com/downloads/

 

and

 

mysite.com/photos/

 

 

It this isn't the place to discuss these types of issues, could someone direct me to a good site that covers this? I've tried Google searching for an answer but I've been unsuccessful.

 

Thanks