The reload indicator image is guaranteed to be downloaded before its use by the script, in other words, when you click on the reloads you should see the reloading image. Previously, in some cases due to slow internet connections, it may take awhile to process the reload action.
An old property was changed to allow you put the resource images in a separate folder.
I encourage you to take a look at how2use.html to know more about the new features.
Finally, I would like to recommend to let know how Fox_Captcha helped many developers around the world, search in Google for "Fox Captcha" (with quotes) and look at images search results too.
I am waiting for your critics and ratings.