Images uploaded to Firebase Storage don't load in Flex

So I followed your guide uploading images to storage and works perfectly. However, images uploaded to a folder (/images/) are not loaded in Image component in flex.

If the images is uploaded to root, works perfectly so my guess is that something is wrong with the %2F . 

ex.
.appspot.com/leo.jpg <- this loads
.appspot.com/images%2Fleo.jpg <- this doesnt 

Any ideas?
Thanks.