magento shop writing and design

Hello, We build an shop in magento where we want to sell different parts. but the shop is not ready to fill it. things to do: 1: when i add subcatagories it didnt show up nice on the homepage, can someone fix that for me check [login to view URL] 2: In the subcatagorie i want to add the same partfinder that you will find in the normal catagories you can see it on the website. 3: when i have an product i want to add an option for the delivery time by every product, like 1 day 2 days 1 week 2 weeks and so on, i must can fill it in bymyself, check an product you will see it 4: when i add ann dropdown optoin i cannot see in by an product, i donnot know why it doesnt give up. Can you find the solution. Check for example this product: [login to view URL] 5: last thing is that i see something in the part finder what is wrong. Year is the same as jaar. IT must be Merk-Model-Jaar 6: can someone you learn me to add an movie or pdf by an product? Who can fix this above for me!!