This is what I have so far for Canvas #2. Maybe if we all work on it together, we can get a list going.
1. Dinosaurs on a Spaceship
2. Starship UK
3. ??? (It's the picture of the vitruvian man..."
4. Dragonfire
5. Nightmare in Silver
6. Crimson Horror
7. Max Capricorn
8. ??? (It's the braille on the wall)
9. Battlefield
10. Night Terrors
11. The Bells of Saint John
12 ??? (Flower on the Ledge)
13. A Town Called Mercy
14. The Impossible Astronaut
15. Magpie Electricals
16. The Beast Below
17. River Song
18. Tardis
20. ??? (The Monkey Doctor)
21. The Name of the Doctor
22. The Power of Three
23. ??? (The device near Vincent's face, I tried laser screwdriver)
24. The Time Monster
25. Time Flight
26. ??? (The clock at midnight)
27. Love and Monsters
28. ??? (Bella Lugosi and friend)
29. ??? (The bottle with Peri on it, I tried Peri Brown)
30. A Christmas Carol
31. The Stones of Blood
32. Flesh and Stone
33. Satan Pit
34. ??? (The Bags of Blood)
35. Closing Time
36. ??? (Cane on the Wall)
37. The Idiot's Latern
38. ??? (The Boar on TV)
39. The Girl Who Waited
40. Susan Foreman
41. The Angels Take Manhattan
42. Porridge
43. ??? (The lightbulb on the guy's foot. I've tried litefoot, maybe I'm entering it wrong, but it won't accept it from me.)
44. Music of the SPheres
45. The Ood Sphere
46. ??? (The weeping pokeball)
47. Salamander
48. ??? (The black and white lady reading the newspaper)
49. Unicorn and the wasp
50. ??? (The fuzzy pink E. I've tried girly...)