I suspect that if you follow the money trail back you'd find that the Ho personally gave Jeff Rayner money to offer Thomas to pose for photos in Rosarito.
£100,000 for Thomas, and a fee for Jeff. Money paid by the Stoats, not Coleman-Rayner.
Thomas took the bait likely because he needed money. The photos were harmless, TM papped looking at a book "Images of Britain". Sleazy? Not. Tape measure round his neck although the young lad "measuring" him wasn't a tailor but a nearby waiter asked to pose. Sleazy? As well as a fee, Thomas was told that photos of him getting ready for the wedding would "improve his image". How sad that she never intended him to be there to give her away.
Where in Rosarito did TM get this book Images Of Britain? Did Jeff Rayner bring it with him as a prop for the set-up?
So obviously a trap as the photos in themselves were boring. The key was the fee for Thomas, the £100,000 which enabled the Ho to weep that daddy had sold her out. I've always believed she set him a bear-trap and he fell in. The photos were all over the press as the Ho planned, and Thomas sank under a barrage of vitriol and had a heart attack.
I think the poisonous Snakebite was in on this. It enabled the Stoats to cut Thomas off. He was dangerous because although a bit of a mess and rough round the edges, unlike Snakebite he was more or less honest. The Ho didn't want TM revealing any truths at her wedding, and had already planned for the enchanted Chuck to walk her down the aisle. Job done. Snakebite has had her fangs in the trough from years back and I believe is a truly evil woman.