Seamlessly Insert Missing Relative

I have a cherished family group photo that unfortunately doesn’t include one important relative. I can supply you with several clear shots of them taken from different angles, and I’d like you to blend them naturally into the existing picture so it looks as though they were always there... (Budget: £50 - £150 GBP, Jobs: After Effects, Digital Art, Image Consultation, Image Processing, Photo Editing, Photo Restoration, Photoshop, Photoshop Design)