you need to tune up your lightning or camera settings for your indoor shots. even though some of the pictures looks good, rest looks like taken with a automatic camera, especially those with light color background.

also those model shots either too zoomed out or zoomed in, also everything looks sharp, maybe the f is set too high?

can't comment on the outdoor shots because you already edited them.

5D Mk-III should give much better results.

The 1st outdoor picture above looks superb though.