Blogger acting up....

Hi, just passing by to say I'm having issues with Blogger. Many, many, many of my pictures posted here through several years have just disappeared!!! I have no idea why this has happened and how to solve it. Even my header was gone and the side pics. I have uploaded some again, but there is no way I can go through all older posts and do that. If anyone know a solution to the problem or have heard of similar situations, I'm all ears...