Twitter summary card thumbnail not showing up

itraintowin · 2013-10-06T00:15:08.000Z

I validated and approved the URL

But when I tweet this URL using my account, the thumbnail image is not showing up

Please help.

rchoi · 2013-10-07T19:52:06.000Z

Appears to work now:

Sometimes our cache takes a bit to get to a new URL. apologies for the delay.