If you only dim the view with id="58" you only dim the fanart for movies List Info View.
Open up includes_Backgrounds.xml in a text editor.
Find the include "FanartDim":
Code:
<include name="FanartDim">
<control type="image">
<include>BackgroundDim</include>
<visible>!IsEmpty(ListItem.Art(fanart))
| [[Container.Content(Episodes) | Container.Content(Seasons)] + !Skin.HasSetting(EnableTVShowsExtraFanart)]</visible>
<animation effect="fade" end="70" reversible="false" condition="Skin.HasSetting(FanartBackgroundBrightnessHigh)">Conditional</animation>
</control>
</include>
and replace this with:
Code:
<include name="FanartDim">
<control type="image">
<include>BackgroundDim</include>
<visible>!IsEmpty(ListItem.Art(fanart))
| [[Container.Content(Episodes) | Container.Content(Seasons)] + !Skin.HasSetting(EnableTVShowsExtraFanart)]</visible>
<visible>!Control.IsVisible(58)</visible>
<animation effect="fade" end="70" reversible="false" condition="Skin.HasSetting(FanartBackgroundBrightnessHigh)">Conditional</animation>
</control>
</include>
You can insert more view id's editing <visible>!Control.IsVisible(58)</visible> like this: <visible>![Control.IsVisible(58) | Control.IsVisible(61)]</visible> and so on.
Maybe instead an even better way is to adjust the fade animation to a lower value (to increase brightness): end="40" or whatever you like. This way the brightness will be changed for all fanart.
But like I wrote before, the changes you make will get replaced the next time Rapier is updated - and again, I really encourage to keep the skin updated
To keep your changes, you could create a copy of the Rapier folder with another folder name, addon ID and name.