equipment placement

Hello! I am new to fish keeping, and have been planning my 88 gallon planted tank. I have my potential fish narrowed down by use of a Aqadvisor. But need help choosing sturdy plants and equipment I need to keep them healthy. I have the tank, but no equipment of any kind yet. Here is my dream...

I have a 29G tank with mollies, platies, ottos and a pleco and need some advice on my powerhead placement and filter output setup. I have the Eheim 2213 filter that is currently setup with the spraybar spraying upward. This tank isn't planted btw. I just bought a AC 30 powerhead to help add...