Instagram is where it's at. Here are some accounts I like:
gerald_wintergold - posts a lot of carving pics, our member @WinterGold
ryan_knapton - prolific softboot carver and funny guy, our member @RyanKnapton
ussnowboardracingteam - USSRT
doneksnowboards - manufacturer, supports alpine
sgsnowboards - manufacturer, supports alpine
fissnowboard - world cup coverage, all disciplines
budfawcett - no carving, but a master snowboarding photographer posting his old stuff from the 90s and more