Here's the picture I found on one of her boards, and being the equine enthusiast I am, I repinned it to my boards too!
This friendly Arab who's come over the fence to sniff at a rose is truly a vintage stamp dating all the way back to 1994! Stamp is Laurie Poe-Martin, Make An Impression. VersaFine black ink. Prismacolor pencils with OMS. Various cardstock.
You can see the whole gallery of cards for this challenge at STVFRILM9
Someday a pretty pony like this will be in my backyard!