best way to brick your wii

Reading alot on google people are bricking the wii with themes.

What the point having a funny colour background and is it worth it

Don't do it unless you have Bootmii/Boot2, then it's perfectly safe.
Most are illegal anyway.

would never bother with them don,t have boot2 just Preloader.

seen alot of people doing a bad damage brick of there wii doing it wrong