I watched the video, but does this mean we can only post pictures if we have them saved online somewhere (flicker, others), not on our phone?

I'm looking to complete the 2020 Prizm Starling Marte #41 rainbow.

I need: the following six cards - 2020 Prizm Starling Marte #41 - Tiger Stripe, Teal Donut /15, 1st off line Shimmer /7, Forest Green /5, White Donut /5, Gold Vinyl /1

ebay: https://www.ebay.com/usr/kienast

twitter: @cards_os