I thought Blackmoor provided the roleplaying elements that eventually became combined with the Chainmail combat rules to form D&D

Films
Recently watched the film Apostle by Gareth Evans which I though might make a good WHFRP adventure
Would second A field in England (and Kill List ) by Ben Wheatley as great inspiration
Monty Python - especially Holy Grail and The life of Brian have been strong influences for me (and on WHFRP ...