Details
Description
the problem is simple, with this configuration :
(Apple iOS 7 SDK, SDK 3.1.3.v20130908095038, GM xCode 5.0, iOS 7 simulator), the thumbImage appears in an incorrect manner (second attached image)
with this configuration :
(Apple iOS 7 SDK, SDK 3.1.3.v20130908095038, GM xCode 5.0, iOS 6.1 simulator), the problem there isn't (first attached image)