cosmopod is a safari plugin that adds a lil icon on top of the browser window that highlights when detects a flash video on the page. You can then click to convert to itunes.
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I emailed the cocoamug guys some ideas to make it even leaner.

Hi, first of all I’m a happy cosmopod customer… Thanks for the good work.
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Below, some suggestions… The idea is to use cosmopod as a click-now/watch-later kind of thing, so I can watch what my friends are talking but keep my focus at work.

1. automate the settings: convert all files as tv show, "cosmopod". That way I can subscribe to the tv show on my iphone, and have always the latest ones after I sync. Movie files - the current default - have to be transferred manually, no good.
2. recognize embedded youtube videos, also. nowadays I need to click the embedded file, then pause the original youtube video, click the cosmopod button, then close the window.
3. can you recognize youtube videos on google reader too? plz?
4. add the original youtube URL to the comments, in case I want to retrace my steps.

I take cosmopod as a video version of instapaper… as instapaper collects texts to read later, my goal is to use cosmopod to watch all collected videos in a row, commuting back from work. Any automated step to help me create this workflow, the better.