Script Summary: After installing this script, video and flash content on all websites is blocked. The videos are replaced by a small "play" icon. If the icon is clicked the video plays. Press Alt+F to toggle the blocking of videos at a particular site when it is being visited. When unblocked in this way, the script will ignore that site and videos there will play as usual.
Now can be installed on Google's Chrome Browser
To block specific webpages, then add and set to true the following boolean value in about:config, extensions.greasemonkey.scriptvals.userscripts.org/Simple Flash Blocker.block_subpages
To block even more specifically, ie, including webpage search terms (what follows a '?' in a href, then set the following boolean value to true, extensions.greasemonkey.scriptvals.userscripts.org/Simple Flash Blocker.block_subSubpages
There is an option to block frames available with this script in the GM menu. However, if you wish to even block frames, frames are often adverts, on a site which has been blocked then go to about:config and set extensions.greasemonkey.scriptvals.userscripts.org/Simple Flash Blocker.always_block_frames to true.