RewriteEngine On
RewriteCond %{HTTP_REFERER} ^http://(.+.)?myspace.com/ [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://(.+.)?blogspot.com/ [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://(.+.)?livejournal.com/ [NC]
RewriteRule .*.(jpe?g|gif|bmp|png)$ /images/nohotlink.jpe [L]
RewriteEngine On
RewriteCond %{HTTP_REFERER} ^http://(.+.)?myspace.com/ [NC,OR]
This condition was not met but the OR option made it pass
RewriteCond %{HTTP_REFERER} ^http://(.+.)?blogspot.com/ [NC,OR]
This condition was not met but the OR option made it pass
RewriteCond %{HTTP_REFERER} ^http://(.+.)?livejournal.com/ [NC]
This condition was not met but the previous OR option made it pass
RewriteRule .*.(jpe?g|gif|bmp|png)$ /images/nohotlink.jpe [L]
This rule was met, the new url is http://www.myspace.com/images/nohotlink.jpe
The tests are stopped because the L in your RewriteRule options