Here is my first free module that displays your categories, subcategories on the home page with a product for each category.

Tested on PS 1.4.7.3 | 1.4.8 | 1.4.9 | 1.5.2 | 1.5.3.1 | 1.5.4 | 1.6 comming soon

Configurable, 29 points including:
-Show or not subcategories
-Show or images of main category
-Show or not the product (price / cart button)
-For colors, I added a color picker
-Show more than one product