The need of a blacklist & multi-selection Rated 3 out of 5 stars
There are some sites (e.g forum), in which requests are made from the site to various image site, allowing them 1 by 1 is just a disturbance for normal browsing, and is already too much for normal user.
In that case, a better (although compromised somehow...) alternative would be allowing request from the site, but the rules specified in blacklist (either destination or origin-to-destination) would be followed. Only with that, the user experience can be enhanced.
Also, multi-selection of site request for permission is needed to avoid the repetitive work of clicking site 1 by 1 in menu.
Thanks for your feedback. Both of these features (ability to select multiple items before reload as well as a default-allow mode with blacklist support) are in development and are planned for launch in summer 2012.