add extension on zent cart

here is the instruction for the NEW PROJECT i need to add some extension and modify the zent cart template. 1. add the new categories banner. 2. add a popup images extension. 3. add lightbox2 images extension. 4. add spanish languages. 5. change the title and meta descriptions . 6. remove the 3 bottom images and leave only in the home page (remove from the rest of the pages ) 7. finally make sure that everything is working perfectly also the categories menu should be in each pages.