I would remove the borders around the ads and center tham
If you check my forum out, you'll see I have a similar setup (to guest only) and I get 90% of my clicks from those two ads under the navbar
you don't need the link ad in there, it isn't helping you any
this is a good tutorial that I would suggest you looking at
https://vborg.vbsupport.ru/showthread.php?t=107965
cheers and good luck
as far as the ads not showing the ones you want, you can add some google code in there to tell google what content is part of your site.
Let me see if I can find a link
here ya go
https://www.google.com/adsense/suppo...68&ctx=sibling