Here are the steps to show the entries category wise in movable type blog by creating module template:

1) After login to moving type blog admin panel go to “Design-> Tempaltes” in the menu.

2) Look for “Template Modules” in the right side. Click on it.

3) You will see “Create Module template” just under the heading “Blog Templates”. Click on it.

4) Suppose I want to show entries of “Testimonial” category. So enter the name of the template as “Testimonial”.

5) Enter the following code :

 <div class="testimonial">
		<MTEntries category="Testimonial">
    		<$MTInclude module="Entry Summary" $ >

6) Use this code <$mt:Include module=”Testimonial”$> in any other template or sidebar you want.