use new og:image provided by @jasonlong
use new og:image provided by @jasonlong

BelieveC/classroom,hackerkid/classroom,ConnorCartwright/classroom,BelieveC/classroom,BelieveC/classroom,BelieveC/classroom,jasnow/classroom,mkcode/classroom,jasnow/classroom,ConnorCartwright/classroom,mkcode/classroom,ConnorCartwright/classroom,jasnow/classroom,mkcode/classroom,hackerkid/classroom,hackerkid/classroom