how to use two images as material?

hi, I want to use tow images in a collada file ,one is called “wheel.jpg” and the other “tread.jpg”. below is my file code, and I open this file in the two software: MeshLab and Deep Exploration, but both these two software don’t show right. Please help me.

my file code is:

<!DOCTYPE mydoc>
<COLLADA version=“1.4.1” xmlns=“COLLADA 1.4 Schema” >
<library_images>
<image id=“library_images_0” name=“library_images_0”>
<init_from>wheel.jpg</init_from>
</image>
<image id=“library_images_1” name=“library_images_1”>
<init_from>tread.jpg</init_from>
</image>
</library_images>
<library_materials>
<material id=“library_materials_0” name=“library_materials_0”>
<instance_effect url=“#effect_0”/>
</material>
<material id=“library_materials_1” name=“library_materials_1”>
<instance_effect url=“#effect_1”/>
</material>
</library_materials>
<library_effects>
<effect id=“effect_0”>
<profile_COMMON>
<newparam sid=“file0-surface”>
<surface type=“2D”>
<init_from>library_images_0</init_from>
<format>A8R8G8B8</format>
</surface>
</newparam>
<newparam sid=“file0-sampler”>
<sampler2D>
<source>file0-surface</source>
<minfilter>NONE</minfilter>
<magfilter>NONE</magfilter>
</sampler2D>
</newparam>
<technique sid=“common”>
<blinn>
<diffuse>
<texture texture=“file0-sampler” texcoord=“UVSET0”/>
</diffuse>
</blinn>
</technique>
</profile_COMMON>
</effect>
<effect id=“effect_1”>
<profile_COMMON>
<newparam sid=“file1-surface”>
<surface type=“2D”>
<init_from>library_images_1</init_from>
<format>A8R8G8B8</format>
</surface>
</newparam>
<newparam sid=“file1-sampler”>
<sampler2D>
<source>file1-surface</source>
<minfilter>NONE</minfilter>
<magfilter>NONE</magfilter>
</sampler2D>
</newparam>
<technique sid=“common”>
<blinn>
<diffuse>
<texture texture=“file1-sampler” texcoord=“UVSET0”/>
</diffuse>
</blinn>
</technique>
</profile_COMMON>
</effect>
</library_effects>
<library_geometries>
<geometry id=“ibm-mesh-lib” name=“ibm-mesh” >
<mesh>
<source id=“ibm-mesh-positions” name=“ibm-mesh-positions” >
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<param type=“float” name=“S” />
<param type=“float” name=“T” />
</accessor>
</technique_common>
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<input semantic=“POSITION” source=“#ibm-mesh-positions” />
</vertices>

			&lt;triangles id="triangle_7" count="32" material="triangles_matirial_0"&gt;
				&lt;input offset="0" semantic="VERTEX" source="#ibm-mesh-vertices" /&gt;
				&lt;input offset="1" semantic="NORMAL" source="#ibm-mesh-normals" /&gt;
				&lt;input offset="2" semantic="TEXCOORD" source="#ibm-mesh-texture" set="1" /&gt;

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		&lt;/mesh&gt;
	&lt;/geometry&gt;
&lt;/library_geometries&gt;
&lt;library_visual_scenes&gt;
	&lt;visual_scene id="ibm-scene-node" name="ibm-untitled" &gt;
		&lt;node id="ibm-node" name="ibm-untitled" &gt;
			&lt;instance_geometry url="#ibm-mesh-lib"&gt;
				&lt;bind_material&gt;
					&lt;technique_common&gt;
						&lt;instance_material symbol="triangles_matirial_0" target="#library_materials_0"&gt;
							&lt;bind_vertex_input semantic="UVSET0" input_semantic="TEXCOORD" input_set="1"/&gt;
						&lt;/instance_material&gt;
						&lt;instance_material symbol="triangles_matirial_1" target="#library_materials_1"&gt;
							&lt;bind_vertex_input semantic="UVSET0" input_semantic="TEXCOORD" input_set="1"/&gt;
						&lt;/instance_material&gt;
					&lt;/technique_common&gt;
				&lt;/bind_material&gt;
			&lt;/instance_geometry&gt;
		&lt;/node&gt;
	&lt;/visual_scene&gt;
&lt;/library_visual_scenes&gt;
&lt;scene&gt;
	&lt;instance_visual_scene url="#ibm-scene-node" /&gt;
&lt;/scene&gt;

</COLLADA>