Well... I really-like how the traditional teardrop interior profile functions. Especially a 10' long trailer.
Here's the "headboard" of my old Hunter:

Lots of area on the shelf for stuff. There's about a foot of space behind the sliders. (We carry our shower and awning in there. Here, you can see I duplicated that with my 5-wide:

Over the legs, I've got two shelves that store a (12V) electric blanket, plastic boxes to place your shoes, and lots of other camping junk. That bottom shelf is actually the front of the galley counter:

But! If you have the desire to be different –and that's one of the great things about this forum and DIY TDs, I'm sure it'll work.
What jumps out at me is your cooler placement. I think it'd be a pain to monkey with it up high like that.

And BTW, where's your battery going?
For creativity? Three of them:
Perhaps we can discuss this further sometime on the edge of nowhere after we've circled the wagons and got a campfire popping and snapping.
Tony