Please redownload these worlds as of 3/9/17. I have since zipped their CAW files and folders, along with a Sims3 file. If you are having problems installing these worlds, please respond here or contact me so I can look into it.
Farai Borde @ Equus Sims & Community
Also known as JNFerrigno in the Horse Art & Game community, Farai Borde has put together a free collection of Custom Content for all the SIM Equestrian communities out there. No joining or logging in required!