thumbnails in filemaker

[feynman]

I don't have a 'use compatible graphics' option on the windows version. I am really confused as to why i can't store pdf files as pictures in a container. i could do it before when i stored the pdf files using a button( i know - i was new and didn't know about container) - i also have pictures already stored that display fine and also my boss who uses a mac can insert the pdf files as pictures. I have attached a view of what i see.

What is happening - should i be able to store pdf files as thumbnails. And why did this use to work but all of a sudden stop? might it be a problem with when my boss inserts the pics using a mac and then i get the database on a pc?

Any help appreciated.

Regards