Cartoonist to help with a short story for a custom wedding card

Our niece is getting married on 11th September and we would like to create a custom wedding card (probably 3 fold out leaves, standard card size). The bride and groom have a good sense of humour so we would like to put together a short funny comic strip and have their real faces on the card with caricature bodies (we would supply a selection of photos of their heads). We have never done this before but would be interested in quotes for this piece of work to draw the bodies in a cartoon strip type format. To be completed ASAP. Thanks