To allow [photo_upload] merge tag on leads

We use pay per click ads to generate leads, when a lead lands on a landing page we want to take minimal details (name, phone number, email) so we maximise on the number of leads generated from the pay per click advert.

We then need to provide those leads with specific instructions about photographic views to take and upload to their lead file after they have registered, so ideally an automatic email (already working) going out with the [photo_upload] merge tag on it. We set this up but it seems the photo_upload merge tag only works for contacts and not leads.