John,
I am not sure at all what you are looking for. Let me try:
You would like in a form a container showing all the pictures of a certain directory or file or whatever as thumbnails of let's say 30 x 30 pics regardless of the original size of the picture. And you would like to have the thumbnails to be resized keeping the W and H in ratio. Maybe you would also like to have the name of the picture showed under it?
In case there are more pictures 2beshown your container should have a scroll up/down function as well.
Is that what you are looking for? And did you already study the VFPX-GDI Plus class of Cesar?
Regards,
Koen