Global questions

material rendering problem with lights , see :
Difference of light between side
This isn't the first track which this problem is.
The solution is replace material by plain color textures ?
At starting point if you are 3,4,5,6... and If you're making a boosted start you will hit character placed before
Icons of addons characters aren't appearing in addons menu but they are appearing in global character selection menu :
Does my Name appearing on credits
Difference of light between side

The solution is replace material by plain color textures ?

At starting point if you are 3,4,5,6... and If you're making a boosted start you will hit character placed before
Icons of addons characters aren't appearing in addons menu but they are appearing in global character selection menu :
Does my Name appearing on credits
