yes

modules/wallpaper-engine/presets/spark/preview/materials/effectpreview.json

@@ -0,0 +1,13 @@
+{
+	"passes" : 
+	[
+		{
+			"blending" : "translucent",
+			"cullmode" : "nocull",
+			"depthtest" : "disabled",
+			"depthwrite" : "disabled",
+			"shader" : "genericimage2",
+			"textures" : [ "effectpreview" ]
+		}
+	]
+}

modules/wallpaper-engine/presets/spark/preview/materials/effectpreview.tex-json

@@ -0,0 +1,6 @@
+{
+	"clampuvs" : true,
+	"format" : "rgba8888",
+	"nomip" : true,
+	"nonpoweroftwo" : true
+}

modules/wallpaper-engine/presets/spark/preview/materials/presets/spark.json

@@ -0,0 +1,10 @@
+{
+	"passes": [{
+		"shader": "genericparticle",
+		"depthtest": "disabled",
+		"depthwrite": "disabled",
+		"blending": "additive",
+		"cullmode": "nocull",
+		"textures": ["particle/halo"]
+	}]
+}

modules/wallpaper-engine/presets/spark/preview/materials/presets/sparktrails.json

@@ -0,0 +1,10 @@
+{
+	"passes": [{
+		"shader": "genericparticle",
+		"depthtest": "disabled",
+		"depthwrite": "disabled",
+		"blending": "additive",
+		"cullmode": "nocull",
+		"textures": ["particle/halo"]
+	}]
+}