Need help .htaccess

I am not understanding something but why doesnt this block my hotlinked images..

or better yet is this correct?

Options +FollowSymLinks
RewriteEngine on

RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www\.)?www.mysite.com(/)?.*$     [NC]
RewriteRule .*\.(gif|jpg|jpeg|bmp|png)$ http://www.mysite.com [R,NC]

RewriteRule funny-news(.*)\.htm$ /news.php
RewriteRule forums(.*)\.htm$ /forums.php
RewriteRule funny-jokes(.*)\.htm$ /jokes.php
RewriteRule funny-comics(.*)\.htm$ /comics.php
RewriteRule funny-pictures.htm$ /pictures/index.php
RewriteRule funny-links(.*)\.htm$ /links/index.php
RewriteRule flash-games(.*)\.htm$ /games/index.php
RewriteRule funny-videos(.*)\.htm$ /videos/index.php
RewriteRule picture_(.*)\.htm$ /photos/showgallery.php/cat/
RewriteRule binghamton-jokes(.*)\.htm$ /binghamton_tidbit.php
RewriteRule binghamton-barbie-dolls(.*)\.htm$ /binghamton_barbie.php
RewriteRule trade-traffic(.*)\.htm$ /webmasters.php
RewriteRule funny-humor(.*)\.htm$ /referrers.php

Code (markup):