For those making their own gimbals or wanting better vibration damping :
12 Ball damper frame set (http://www.ebay.com/itm/A12-Glass-Fiber-Anti-Vibration-Frame-Set-12-Rubber-Balls-for-Quadcopter-FPV-Sys-/251222975983?pt=LH_DefaultDomain_0&hash=item3a7e0e65ef)
DJI Zenmuse dampers (http://www.ebay.com/itm/4pcs-DJI-Anti-vibration-Rubber-for-Zenmuse-Z15-3-Axis-Gimbal-Camera-Mount-i-/251221556763?pt=LH_DefaultDomain_0&hash=item3a7df8be1b)
Or
Various damper sizes (http://www.aliexpress.com/item/ATG-AV-Ball-High-Elastic-Rubber-Ball-Dual-head-Anti-vibration-for-PTZ-Large-Grey-color/760301551.html)