I am using Twenty Eleven for this blog. I can see the header image (photo with U.S. Flag background), but the person I am creating it for just sees a blank box with the little red x in the upper left. I have tried it on three computers and it always works for me, but she cannot see it on her PC or her iPhone.
Any ideas on what might be wrong?
The blog I need help with is electjohnprice.wordpress.com.