how to show new products on homepage magento

New products:-

Go to “CMS - Manage Pages” and select “Home Page” from the list of pages.
Use this code snippet to show products labeled as “new” on your front page:

{{block type="catalog/product_new" name="home.catalog.product.new" alias="product_homepage" template="catalog/product/new.phtml"}} 

 

All Products:-

Go to “CMS - Manage Pages” and select “Home Page” from the list of pages.
Use this code snippet to show all products in your catalog on your front page


{{block type="catalog/product_list" name="home.catalog.product.list" alias="products_homepage" template="catalog/product/list.phtml"}}

All Products from one Category:-

Go to “CMS - Manage Pages” and select “Home Page” from the list of pages.
Use this code snippet to show one category on your front page

{{block type="catalog/product_list" name="home.catalog.product.list" alias="products_homepage" category_id="4" template="catalog/product/list.phtml"}}