Since Apple iOS does not include support for Adobe’s Flash Player, you will not be able to watch any of the Flash-based web videos and other animations on your iPhone or iPad.
You can directly insert web video into your PowerPoint presentations just the way you embed video in web pages. The video could be on YouTube, Flickr, MySpace, Facebook or any of the other video sharing sites.
The FLV Editor Pro has all the tools you need to edit FLV clips - you can crop video, merge multiple clips, extract audio and even convert FLV into other popular formats.
Watching FLV videos in the browser is half the fun - you can do so many other things like split FLV videos into multiple clips, trim the introductory music, convert flv videos to MP3 songs, extract image frames from the video, etc.
This YouTube Video Tools directory has links to the best online tools to get the most out of YouTube videos. You can watch video deleted from YouTube, add sub-titles to videos, track statistics on YouTube and so much more.
Adobe Media Player will let you download video podcasts and streaming flash video (unprotected .flv) from video sharing sites like YouTube, Google Video, Blip.tv, etc.