51mon writes: "Seems Paypal regard domain images.paypal.com domain as defunct. Probably broken by recent infrastructure changes at Paypal (April 19th)
People with older Paypal buttons may find their pages slow or fail to load.
Paypal support seem to be relaxed on the issue asking me to supply them lists of their own documentation which use the old name. There appears to be no planning to the decommissioning, no use of HTTP redirects.
I can't find a start date for this problem, I can't find any other references."