Image not showing in Twitter Card


We have installed the Summary Twitter Card which is supposed to show a thumbnail image; however, it’s not showing up on ours. I’m guessing it’s because the image is located at while the press release is located at but there is nothing in the documentation that says the image must be on the same domain as the summary information. Can anybody offer any suggestions?


I tried moving the image to the main domain and posted a new tweet here but the image is still not showing up: