I've a really simple scene created in Blender with a plane, a cube, a sun (AKA directional light) and a camera:

Rendered, it's looking like this:

My problem is, when I export this scene to .babylon file format, and load it into Babylon, it does not look like this at all. It seems that Babylon sets a specular-shiny-weirdy material to all my meshes:

I'd like to have a "matte" (I mean, opaque and rough) material, like in Blender's render, in my Babylon scene as well, or at least suppress the specular thing, to make the meshes look like rough. Unfortunately I didn't encounter any case like mine on the internet yet.
Some informations about what I'm using:
- Blender 2.74
 - Blender to Babylon exporter (downloaded two days ago, I think it's the latest, still I can't figure out what version it is)
 - Babylon.js v2.1
 - Google Chrome for MacOSX
 
I'm working on a python localhost server, so I can't provide a working example, but at least here's my .babylon scene and my html code:
<script>
    if (BABYLON.Engine.isSupported()) {
        var canvas = document.getElementById("renderCanvas");
        var engine = new BABYLON.Engine(canvas, true);
        BABYLON.SceneLoader.Load("", "Cube_and_plane.babylon", engine, function (newScene) {
            // Wait for textures and shaders to be ready
            newScene.executeWhenReady(function () {
                // Attach camera to canvas inputs
                newScene.activeCamera.attachControl(canvas);
                // Add shadows
                var shadowGenerator = new BABYLON.ShadowGenerator(2048, newScene.lights[0]);
                for (var i = 0; i < newScene.meshes.length; ++i) {
                    shadowGenerator.getShadowMap().renderList.push(newScene.meshes[i]);
                    newScene.meshes[i].receiveShadows = true;
                };
                // Once the scene is loaded, just register a render loop to render it
                engine.runRenderLoop(function() {
                    newScene.render();
                });
            });
        }, function (progress) {
            // To do: give progress feedback to user
        });
    }
</script>
Thanks in advance !
                        
Hello just set your specular color to black.