Tweak grid feature image dimensions
Tweak grid feature image dimensions

 Optimize for fixed aspect (but not var pixel dimensions)

MidAtlanticPortal/marco-portal2,MidAtlanticPortal/marco-portal2,Ecotrust/marineplanner-core,MidAtlanticPortal/marco-portal2,Ecotrust/marineplanner-core,Ecotrust/marineplanner-core,Ecotrust/marineplanner-core,Ecotrust/marineplanner-core,MidAtlanticPortal/marco-portal2