New release of JMB Custom Managers includes with additional options (Facebook and Twitter have added) and one improvement (new icons). Feel free to download the latest version of this module.
The summary of changes in 1.1.2 are:
Improvement: new Facebook parameter
Improvement: new Twiiter parameter
Improvement: new flat icons
JMB Custom Managers module allows you to display specified contacts as grid. You can add avatar and contact information to be displayed with nice design.