LeaderScene.xml

<?xml version="1.0" encoding="utf-8"?>
<Context>
  <Include File="CivilizationIcon"/>
  
  <Container Size="parent,parent" ConsumeMouse="1">

    <!--This container control passed to engine to use as a leader background. Hidden so UI system doesn't render it-->
    <Container ID="LeaderScene" Size="parent,parent" Hidden ="1">
      <Container ID="Backgrounds" Size="parent,parent"/>
      <Image ID="BottomLetterbox" Texture="DiplomacyLetterboxTop" Size="parent,200" Anchor="L,B" Hidden="0" FlipX="1" FlipY="1" StretchMode="Fill" Color="0,0,0,255"/>
      <Image ID="TopLetterbox" Texture="DiplomacyLetterboxTop" Size="parent,200" Anchor="L,T" Hidden="0" StretchMode="Fill" Color="0,0,0,255"/>
      <Image Texture="Controls_Gradient" Color="0,0,0,200" Size="parent,400" Anchor="L,T" FlipY="1"/>
      <Image Texture="Controls_Gradient" Color="0,0,0,255" Size="parent,250" Anchor="L,T" FlipY="1"/>
      <Image Size="300,parent" Texture="Controls_Gradient" Anchor="R,T" Rotate="270" Color="0,0,0,255"/>
      <Image Size="300,parent" Texture="Controls_Gradient" Anchor="L,T" Rotate="90" Color="0,0,0,255"/>
    </Container>
  </Container>
  
  <Instance Name="Layer">
    <SlideAnim ID="Background_Anim" Begin="0,0" End="0,0" Cycle="Once" Function="OutQuint" Power="4" Speed=".5" Size="parent,parent">
      <Image   ID="Background_Image" Anchor="C,C"	Size="parent,parent" Sampler ="Linear" StretchMode="Fill"/>
    </SlideAnim>
  </Instance>
</Context>