This is actually a Buy One Get One Free offer at Music Magpie for £1.99... so in other words you can get TEN DVDs (pre-owned) DELIVERED TO YOUR DOOR FOR FREE for just under a tenner!
There's loads to choose from and I've picked some out below (links to these are on the main link I've posted). It's a ready made film collection for a fraction of the normal price...
Animated > Despicable Me, Shrek Forever After, Rio.. plus a load of Kids TV stuff like Thomas the Tank Engine
Action & Adventure > World War Z, Robin Hood : Prince of Thieves, Oblivion, 2 Guns, Kill Bill
Comedy & Romance : Heat, Bridesmaids, Pretty Woman, Bridget Jones (both of them), Forrest Gump, Monty Python's Life of Brian, Beetlejuice, Inbetweeners 2, Elf, The Secret Life of Walter Mitty, Austin Powers
Drama > The Notebook, The Deer Hunter, Fight Club, Dirty Dancing, Pulp Fiction, Taxi Driver, Falling Down, This is England, Eat Pray Love
Horror > Blair Witch, The Lost Boys, The Exorcist, Cabin Fever, The Grudge,Saw
Sci Fi & Fantasy > Hunger Games Catching Fire, Blade Runner (Directors Cut), Pitch Black, Doom, The Lawnmower Man
Crime & Thriller > Jack Reacher, Seven, Goodfellas, Scarface, The Departed, L.A. Confidential, Get Carter, Leon, The Usual Suspects
World Cinema > The Girl Who Kicked the Hornet's Nest, Taxi 1 + 2, Y Tu Mama Tambien, Amelie, Delicatessen
There's loads more as well, the above are just examples (films I love myself).