Customizing UI of an existing website

I have a paid version of http://www.webtvsolutions.com/.

i would like to customize the UI for a more user freindly UI. I will supply all the templates in html. You will need to intergrate it the webtvsolutions.

for information regarding the UI customization is here

http://www.webtvsolutions.com/support.php?s=ws_webtv_docs&d=adv_customization_css_shortcuts

http://www.webtvsolutions.com/support.php?s=ws_webtv_docs&d=adv_customization_creating_style

http://www.webtvsolutions.com/support.php?s=ws_webtv_docs&d=adv_customization_adding_channel_template

http://www.webtvsolutions.com/support.php?s=ws_webtv_docs&d=adv_customization_creating_theme

http://www.webtvsolutions.com/support.php?s=ws_webtv_docs&d=adv_customization_templating