How to install AutoTweet any part of page: (includes tinyURL back to page with those parts highlighted) plugin:
Go to Wordpress admin area and click "Plugins" and then "Add New" menu item.
In the right panel (left top) you will see "Upload Plugin" button. Click the button.
Next click the "Choose file" button in right panel (center).
Select zip file of the "AutoTweet any part of page: (includes tinyURL back to page with those parts highlighted)" plugin located on your hard drive and press "Open".
Click "Install Now" and the zip file will upload to your site.
Now click "Activate" button to activate the "AutoTweet any part of page: (includes tinyURL back to page with those parts highlighted)" plugin.
We've tested following plugins published by: Rooh.It