Maybe this helps: Programmatically change the content of the file field - #38 by bastianallgeier
May I ask why you actually need all these fields, given that you can create all those thumbs in the frontend on the fly?
Maybe this helps: Programmatically change the content of the file field - #38 by bastianallgeier
May I ask why you actually need all these fields, given that you can create all those thumbs in the frontend on the fly?