Hi,
When I upload a file (to Photoshelter, for instance), I generally use the option "transmit original photos - send jpeg files only". In this case, the options to process image do not appear as PM sends the already processed image...
Now if you choose the option "transmit - saved as jpeg", then it is possible to crop or scale the image (saving as a jpeg before transmiting).
HTH,
-Luiz Muzzi