Recommended /ptfg/ stories for new readers:

>Zephyr's Tale: https://ponepaste.org/3456
Quite possibly the "thread bible".
Makes you want to be the pet. Careful!

>Cuddly Doom: https://drive.google.com/file/d/0By-iGM4MXF8lSS1HcUM5OVFZMU0/edit?resourcekey=0-6rU-eMRUmf1TT-Pk5SLGYg
A slightly more existential horror take on TF, personality erasure and all.

>Anonymous Bosch/Sixpense: https://poneb.in/hUM8qKYK, https://poneb.in/LkW3Kkc5
Farm pony. First part is kino comfy. Second part switches to be more of an adventure - read to taste.

>Our Town: https://poneb.in/MVRKsjTc
Evil!Starlight Glimmer turns anon into a mare. All he wanted was a comfy pony family in Equestria.

>Keyboard Masher: https://pastebin.com/dnKcvuYz, https://ponepaste.org/3067, https://ponepaste.org/3068, https://pastebin.com/B4KGy5ne
A college student takes the wrong drug, you can guess what happens given the name of this general.

Recommended TF-related stories on Fimfiction:
Fine print: https://www.fimfiction.net/story/463533/fine-print (Starscribe in general is good)
Pandemic: https://www.fimfiction.net/story/359176/pandemic
Five score divided by four: https://www.fimfiction.net/story/93383/five-score-divided-by-four