(CUT & PASTE)
https://apis.mail.yahoo.com/ws/v3/mailboxes/@.id==VjN-JDBH8qD0wamj0VWp2XcD9qLCibT5ec0k6kG6u9irUIWGpTIh2X2S1rZbFQ_LEJCG6F676llwJijNHGM9Rx73ng/messages/@.id==AK5okhcQiWXPZt82wQw80MmXPdg/content/parts/@.id==3/thumbnail?appid=YMailNorrin&downloadWhenThumbnailFails=true&pid=3