The images the pixel art were based on:
 
Crying Twilight: https://derpibooru.org/1677700  
DiGiorno Cadence: https://derpibooru.org/799302  
Pony Xing: https://www.deviantart.com/oomles/art/WARNING-Pony-Xing-464173805
 
All the oc ponies were made using Pony Town.
 
%%~
 
oc owner credits:
 
Amber Fossil - Xcaliver  
Blazing Strike - SharpEye  
diep - haykam  
Frosting Hoofs - GarchomPR0  
Maybe? - Epicguy  
MiracleMuse - Allet the cat  
Sangria - Korinne  
Shell Shock - Ziggurat Vertigo  
Short Circuit - danmur15  
Spectrum - MikeMoo  
Willowfur - Extreme Concern
 
(Any credits not listed here are because the owner and their oc share the same name.)  
(Many of these oc names have just been set to the name of the one who made them, as a name was not provided alongside the oc.)
 
%%
 
http://discord.gg/4B4xvpD  
(This is the ManePxls Discord server. We are a faction on the site “pxls.space”. In this server, we disscuss designs to add/tweak on the current Pxls canvas, as well as talking about other MLP related stuff. If that sounds interesting, come check out the server!)