Is there a page or quick info anywhere about how an American dog qualifies? Is it any Am Ch or do they have to win BIS at certain shows or something?

From the crufts website

i.          OVERSEAS QUALIFICATIONS.

The following qualifications refer to Kennel Club fully recognised breeds only.

(1)     Any Champion from a country with which the Kennel Club has a reciprocal agreement qualifies automatically if it is domiciled in the UK and is on the Kennel Club Breed Register.

(2)     Any FCI International Beauty Champion.

(3)     Winners of Junior Dog and Junior Bitch classes, plus the Best Dog and the Best Bitch at specified Shows in each of the European countries entitled to take part in the UK PETS TRAVEL SCHEME.  One show only nominated by the Kennel Club in the country concerned.

(4)     Winners of Junior Dog, Junior Bitch classes, plus CACIB Dog and CACIB Bitch at FCI World Winners Show 2008.  Winners of Junior Dog, Junior Bitch, Veteran Dog, Veteran Bitch plus CACIB Dog and CACIB Bitch at European Winners Shows in 2008.  This applies to dogs resident in countries entitled to take part in the UK PETS TRAVEL SCHEME.

(5)     USA - Winners of Best of Breed, Best of Opposite, Awards of Merit and Best Bred by Exhibitor in the classes at the AKC Invitational, December 2008.  Additionally, Best of Breed, Best of Opposite, Awards of Merit Winners (if offered) and Best Bred by Exhibitor (if offered), at one National Breed Speciality show per breed chosen by the Parent Breed Club and agreed by the AKC.

Full list on this link http://www.crufts.org.uk/dog_exhibitors/crufts_2009_qualification/

Thanks!