Why is there an Earth Pony in the Rainbow Factory?

Final Image: http://goo.gl/c5qgV1
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Background Music:
"Rainbow Factory" by WoodenToaster
Link: https://goo.gl/ghX1OC
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Links to Ashley's Stuff!
Patreon: https://goo.gl/rpbYMM
DeviantArt: http://goo.gl/OIZD7U
Twitter: https://goo.gl/cJ4b45
Tumblr https://goo.gl/LOMpCq
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