load only 16 featured posts images at page load

Hi,
Currently I am using Network theme and have more than 16 blogs on the Wordpress Multisite with feature images attached to each post. Once I load the main page of the website the network theme loads all the images of the featured posts from each blog which end up making the website load slower.
I would like to make the features posts load into different pages for example:
http://www.domain.com/ (load 16 featured posts with images)
and when clicked on "next" to load the next 16 featured posts it should load the following page:
http://www.domain.com/2/ (load next16 featured posts with images)
http://www.domain.com/3/ (load next16 featured posts with images)
http://www.domain.com/4/ (load next16 featured posts with images)

or it can load
http://www.domain.com/page2/ (load next16 featured posts with images)
http://www.domain.com/page3/ (load next16 featured posts with images)
http://www.domain.com/page4/ (load next16 featured posts with images)

you got the point.
could you please help me with this, as it will greatly reduce the page load time and also decrease the bandwidth being used.
thanks