Homebrew Best Retroarch-settings in Wiiflow

[TheSly]

Hello

I'm new using Retroarch as Wiiflow-Plugin for Gameboy, NES and SNES.
(I used VbaGX, FceuGX and Snes9xGX before)

I connect my Wii to my HD-ready 16:9 Flatscreen-TV with a component-cable.

As far as I know these are the correct Wiiflow-Plugins:
For Gameboy: Gambatte 1.0.0.2
For NES: FCEUmm 1.0.0.2
For SNES: Snes9x_next 1.0.0.2

But there are MANY settings...

- What are the best looking ones?

- How can I save my settings?

- Can I save different settings for different games? For example:
Using Gambattes default setting makes "Fortress of fear" look good - but "Super Mario Land" looks blurry as soon as I move Mario...

I don't mind if the picture is pixel-perfect, as long as it looks good...

Could someone please help me out?
Thank you in advance