First of all, open the image you want to insert in your web browsers like Mozilla Firefox or Internet Explorer. You cannot insert the image from the computer. It should be in the browser. And the address of the image must start with ‘http://’. If you don’t have the image on the web, you can upload it to the free image hosting website and then use it. It is better to shrink the size of the image if it is more than 100X100 pixels. Get in touch with Yahoo Customer Care team by phone number
and resolve all type of technical issues related to your Yahoo account.