First Of all You allways need a Flash Player You can Download From here
To Play the video in Browser you guys need this extension for chrome Download here
and for firefox you can download the extension from here Download here
As all Videos Are Embeded and you can watch them online anywhere. But You cannot download them.
Well i will tell you here how can you guys download the videos easily.
For this we need a Software Internet Download manager which you can download from here
You can download it from any one of the above link
Now we need Firefox or Chrome
And we need addon of Idm to download the files
For Firefox See this http://www.internetdownloadmanager.com/support/firefox_integration.html
For Chrome See this http://www.internetdownloadmanager.com/register/new_faq/chrome_extension.html
Or you can Download the Chrome Addon from below link
Ok After Completing the Steps Open Any Video Page which video you want to download
After opening that post the video is page is opens see below
When you clcik Play Button the Idm Download option is Appear just clcik on it and start the download
if you guys having any problem place a comment to this page.
Update on 28 Feb
A new chrome extension is allow to download the file in easy way.
Click to go here FVD Video Downloader
[when the video play starts just clcik on blue arrow icon to download that video ]