diff --git a/src/WallpaperEngine/Data/Parsers/ObjectParser.cpp b/src/WallpaperEngine/Data/Parsers/ObjectParser.cpp
index c1b7a7f..8e5ba6c 100644
--- a/src/WallpaperEngine/Data/Parsers/ObjectParser.cpp
+++ b/src/WallpaperEngine/Data/Parsers/ObjectParser.cpp
@@ -115,8 +115,8 @@ std::vector <ImageEffectUniquePtr> ObjectParser::parseEffects (const JSON& it, P
 ImageEffectUniquePtr ObjectParser::parseEffect (const JSON& it, Project& project) {
     const auto& passsOverrides = it.optional ("passes");
     return std::make_unique <ImageEffect> (ImageEffect {
-        .id = it.require <int> ("id", "Image effect must have an id"),
-        .name = it.require <std::string> ("name", "Image effect must have a name"),
+        .id = it.optional <int> ("id", -1),
+        .name = it.optional <std::string> ("name", "Effect without name"),
         .visible = it.user ("visible", project.properties, true),
         .passOverrides = passsOverrides.has_value () ? parseEffectPassOverrides (passsOverrides.value (), project) : std::vector <ImageEffectPassOverrideUniquePtr> {},
         .effect = EffectParser::load (project, it.require ("file", "Image effect must have an effect"))
diff --git a/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp b/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp
index dc604b3..841235d 100644
--- a/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp
+++ b/src/WallpaperEngine/Render/Objects/Effects/CPass.cpp
@@ -59,7 +59,7 @@ CPass::CPass (
     m_blendingmode (pass.blending),
     m_binds (binds.has_value () ? binds.value ().get () : DEFAULT_BINDS),
     m_override (override.has_value () ? override.value ().get () : DEFAULT_OVERRIDE),
-    m_fboProvider (fboProvider),
+    m_fboProvider (std::move(fboProvider)),
     m_target (target) {
     this->setupShaders ();
     this->setupShaderVariables ();
@@ -502,16 +502,11 @@ void CPass::setupTextureUniforms () {
     // and then try with fragment's and override any existing
     for (const auto& [index, textureName] : this->m_shader->getVertex ().getTextures ()) {
         try {
-            // resolve the texture first
-            std::shared_ptr<const ITexture> textureRef;
-
             if (textureName.find ("_rt_") == 0 || textureName.find ("_alias_") == 0) {
-                textureRef = this->resolveFBO (textureName);
-            } else {
-                textureRef = this->getContext ().resolveTexture (textureName);
+                this->m_textures [index] = this->resolveFBO (textureName);
+            } else if(!textureName.empty ()) {
+                this->m_textures [index] = this->getContext ().resolveTexture (textureName);
             }
-
-            this->m_textures [index] = textureRef;
         } catch (std::runtime_error& ex) {
             sLog.error ("Cannot resolve texture ", textureName, " for fragment shader ", ex.what ());
         }
@@ -519,16 +514,11 @@ void CPass::setupTextureUniforms () {
 
     for (const auto& [index, textureName] : this->m_shader->getFragment ().getTextures ()) {
         try {
-            // resolve the texture first
-            std::shared_ptr<const ITexture> textureRef;
-
             if (textureName.find ("_rt_") == 0 || textureName.find ("_alias_") == 0) {
-                textureRef = this->resolveFBO (textureName);
-            } else {
-                textureRef = this->getContext ().resolveTexture (textureName);
+                this->m_textures [index] = this->resolveFBO (textureName);
+            } else if(!textureName.empty ()) {
+                this->m_textures [index] = this->getContext ().resolveTexture (textureName);
             }
-
-            this->m_textures [index] = textureRef;
         } catch (std::runtime_error& ex) {
             sLog.error ("Cannot resolve texture ", textureName, " for fragment shader ", ex.what ());
         }
@@ -540,10 +530,31 @@ void CPass::setupTextureUniforms () {
             continue;
         }
 
-        if (textureName.find ("_rt_") == 0) {
-            this->m_textures[index] = this->resolveFBO (textureName);
-        } else if (!textureName.empty ()) {
-            this->m_textures[index] = this->m_image.getContext ().resolveTexture (textureName);
+        try {
+            if (textureName.find ("_rt_") == 0 || textureName.find ("_alias_") == 0) {
+                this->m_textures [index] = this->resolveFBO (textureName);
+            } else if (!textureName.empty ()) {
+                this->m_textures [index] = this->getContext ().resolveTexture (textureName);
+            }
+        } catch (std::runtime_error& ex) {
+            sLog.error ("Cannot resolve texture ", textureName, " for pass ", ex.what ());
+        }
+    }
+
+    // override any texture
+    for (const auto& [index, textureName] : this->m_override.textures) {
+        if (index == 0) {
+            continue;
+        }
+
+        try {
+            if (textureName.find ("_rt_") == 0 || textureName.find ("_alias_") == 0) {
+                this->m_textures [index] = this->resolveFBO (textureName);
+            } else if (!textureName.empty ()) {
+                this->m_textures [index] = this->getContext ().resolveTexture (textureName);
+            }
+        } catch (std::runtime_error& ex) {
+            sLog.error ("Cannot resolve texture ", textureName, " for override ", ex.what ());
         }
     }
 
@@ -552,7 +563,7 @@ void CPass::setupTextureUniforms () {
         if (bind == "previous") {
             // use nullptr as indication for "previous" texture
             this->m_textures [index] = nullptr;
-        } else {
+        } else if(!bind.empty ()) {
             // a normal bind, search for the corresponding FBO and set it
             this->m_textures [index] = this->resolveFBO (bind);
         }
diff --git a/src/WallpaperEngine/Render/Wallpapers/CScene.cpp b/src/WallpaperEngine/Render/Wallpapers/CScene.cpp
index 6f1b58e..b8a3c60 100644
--- a/src/WallpaperEngine/Render/Wallpapers/CScene.cpp
+++ b/src/WallpaperEngine/Render/Wallpapers/CScene.cpp
@@ -46,6 +46,14 @@ CScene::CScene (
     // setup framebuffers here as they're required for the scene setup
     this->setupFramebuffers ();
 
+    const uint32_t sceneWidth = this->m_camera->getWidth ();
+    const uint32_t sceneHeight = this->m_camera->getHeight ();
+
+    this->_rt_shadowAtlas =
+        this->create ("_rt_shadowAtlas", ITexture::TextureFormat::ARGB8888, ITexture::TextureFlags::ClampUVs, 1.0,
+                      {sceneWidth, sceneHeight}, {sceneWidth, sceneHeight});
+    this->alias ("_alias_lightCookie", "_rt_shadowAtlas");
+
     // set clear color
     // TODO: MAKE USE OF THE REFERENCE POSSIBILITIES?!
     const glm::vec3 clearColor = scene->colors.clear->value->getVec3 ();
@@ -67,9 +75,6 @@ CScene::CScene (
         this->m_objectsByRenderOrder.emplace_back (obj->second);
     }
 
-    const uint32_t sceneWidth = this->m_camera->getWidth ();
-    const uint32_t sceneHeight = this->m_camera->getHeight ();
-
     // create extra framebuffers for the bloom effect
     this->_rt_4FrameBuffer =
         this->create ("_rt_4FrameBuffer", ITexture::TextureFormat::ARGB8888, ITexture::TextureFlags::ClampUVs, 1.0,
diff --git a/src/WallpaperEngine/Render/Wallpapers/CScene.h b/src/WallpaperEngine/Render/Wallpapers/CScene.h
index c43be96..5519bde 100644
--- a/src/WallpaperEngine/Render/Wallpapers/CScene.h
+++ b/src/WallpaperEngine/Render/Wallpapers/CScene.h
@@ -52,5 +52,6 @@ class CScene final : public CWallpaper {
     std::shared_ptr<const CFBO> _rt_4FrameBuffer = nullptr;
     std::shared_ptr<const CFBO> _rt_8FrameBuffer = nullptr;
     std::shared_ptr<const CFBO> _rt_Bloom = nullptr;
+    std::shared_ptr<const CFBO> _rt_shadowAtlas = nullptr;
 };
 } // namespace WallpaperEngine::Render::Wallpaper