This is the one I am giving to my dogs right now. That's what I mean by the oil form and not in capsules.
Unscented Icelandic Salmon Oil for Skin & Coat
I forgot shipping would be so high on any product from here.
I'm not really sure what else to use that isn't one of the topical ones. Maybe do an online search for natural products? The RawChat group on yahoo would probably have a ton of stuff in their archives, or you could just ask for opinions, too.