You can order the Nop Home Page Slider from the Extensions page on this web site.
All the nopCommerce plugins on the Extensions page support nopCommerce 2.0, nopCommerce 2.1, nopCommerce 2.2.
When you order them, login to Nop-Templates.com and click the My Account link in the top right corner where you have the Log out, Inbox, Shopping cart links.
Once in your My Account area go to the Downloadable Products link and download the plugins that you have ordered from there.
Could you set the slider container width from the Slider settings to 690px?
Does it have to be 700 px?