Problem scaling (stretch to fit)

when i choose stretch to fit in scalling mode (android) my actors loose many many of they charm
So i wanna scale only back ground and keep the size of actor same as when i choose the scall mode ( scale to fit) iittss possibleee help pleaze
the scale mode  scale to fit its good for me but it still Leave empty in the top and at the bottom of screenn
And I'm afraid it will cause problems later (  admob position...ect)

Look at @theindiestation his tutorials on youtube about scaling and importing graphics helped me out a lot!