1). Install Firefox from here: http://www.mozilla.com/en-US/firefox/new/
2). Install this addon script... Go here -->> https://addons.mozilla.org/en-US/firefox/addon/easy-youtube-video-downl-10137/ 
3). After restarting firefox, goto a youtube page, there should be a download button underneath the video

Use the CSS Injector module to inject custom css into your pages. Similar controls as for blocks

Insert the following code into your page. The codebase and pluginspage options allow the native browser funcitonality to install the plugin if not already installed. Read more »

In order to embed a view in a block follow these steps... simple...

1. Find out the machine name of the view, and the sub-name eg "page_1" of the view
2. Add a block and set the input type to PHP
3. Embed the following code in your block <?php
   print views_embed_view( 'view_name', 'view_subtype');
   ?>