This does seem to be a reoccurring problem. It took several tries for me to get the new image to install after you first released it. Even now my image is less than my sd card size so I have a lot unusable Sd card space.
I wonder if it would not be easier to get 8gb, 16gb, 32gb, and 64gb sd cards and burn them with the new image and sell them on your store. You could even put up some package deal of Cnchat and different image size.
Received some SD cards today... Will burn a few tonight..