Magazine freebies

Issue 84 of 'Simply cards and papercraft' had a pack of 'serif's picnic in the park' papers as the gift this month,love the colours my 2 youngest are 22 tomorrow so I made their cards last night with some of the papers,stamped some 'Pink Petticoat' images and sentiments and then realised they were free with last months issue do you think they will mind cards made from freebies.