Time for a huge update, I've been saving these tabs for a while but it's gotten to big. So it's now time for me to place them here.
TF/TGs:
TF-Sential has a gallery on FA now, most are TF/TG, but there is a straight Luna TF pic.
http://www.furaffinity.net/gallery/tf-sential/
Two bronies ended up becoming Twilight and Rainbow Dash for real when they slept during a hypnosis video.
http://www.furaffinity.net/view/12609378/
After listening to a weird song, some guy gets turn into Trixie and for some reason she is compelled to turn all the guy's friends into ponies too.
Trixie:
http://www.furaffinity.net/view/12636305/
Rarity:
http://www.furaffinity.net/view/12731427/
Vinyl:
http://www.furaffinity.net/view/12767454/
Twilight Poof changes Anon into her foal for some reason.
http://www.furaffinity.net/full/12794779/
Some guy commissioned Nojo to turn some guy into Princess Luna from reading a book. Nojo did a really good job (read manga style, right to left).
http://www.furaffinity.net/view/12842817/
See the first picture in this thread:
http://archive.heinessen.com/mlp/thread/S16188181
Look for that picture when it was first posted in here
http://archive.heinessen.com/mlp/thread/16052598 to find the replies to that post that many users took it upon themselves to make this picture a post TF of guy who was blissfully unaware that he had been turned into a pony until he was told by an announcer sort of guy.
TF:
Study of a human leg to pony leg:
http://ironman658lm.deviantart.com/a...tudy-433907071
And then the ear.
http://ironman658lm.deviantart.com/a...h-TF-435105968
A girl turning into Vinyl Scratch while another girl is turning into an anthro frog while laying eggs.
http://www.furaffinity.net/view/12187036/
Two girls are turning into Vampire Fruit Bat Ponies because of Flutterbat in the show.
http://thesilentjenny25.deviantart.c...y-TF-426158253
http://thesilentjenny25.deviantart.c...ny-2-426158610
Xylem's Hyper FlutterHulk has found curtsibling's strawman character Pegaslut and turns her into a mutant anthro pony too.
http://www.furaffinity.net/full/12522389/
Equestria Girls(Human) Rarity gets hit with the Raricow changes.
http://shitigal-artust.deviantart.co...w-TF-436770151
http://shitigal-artust.deviantart.co...TF-2-436991259
A brainwashed brony comes into his roommate's room and started watching ponies to get her curious about the show and then turn her into a brainwash pony herself.
Story:
http://chainedknee.deviantart.com/ar...ales-433055777
Cover art:
http://migs308.deviantart.com/art/Ma...tion-433043874
Girl turning into Vinyl Scratch by catmonkshiro.
http://www.furaffinity.net/full/12649814/
Girls into ponies single page Tf sequences.
http://honeyforest.deviantart.com/ar...y-TF-437726879
http://hills-to-sky.deviantart.com/a...Pony-427647009
http://hills-to-sky.deviantart.com/a...TF-3-429557149
Anthro Trixie turns Sakura and Hinata from Naruto into anthro ponies.
http://www.furaffinity.net/view/12865817/