Erocanti

Having insecure content issues also. Is there a setting somewhere?

Did you ever figure this out?

TypeError: Cannot read property 'thumbnail' of undefined
    at Object.eval (https://localhost/wp-content/plugins/post-thumbnail-editor/js/controllers/CropCtrl.coffee:168:42)
    at Function.v.extend.each (https://localhost/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery,utils&ver=3.5.1:2:14543)
    at eval (https://localhost/wp-content/plugins/post-thumbnail-editor/js/controllers/CropCtrl.coffee:165:15)
    at https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular-resource.min.js:8:255
    at h (https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:77:33)
    at https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:77:266
    at Object.e.$eval (https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:87:347)
    at Object.e.$digest (https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:85:198)
    at Object.e.$apply (https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:87:506)
    at e (https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:94:38)
    at o (https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:97:123)
    at XMLHttpRequest.s.onreadystatechange (https://localhost/wp-content/plugins/post-thumbnail-editor/apps/angular/angular.min.js:98:259) angular.min.js:61

edit: using wp 3.5.1, and lastest version of the plugin