Hello, Paypal is already integrated in Magento you just need to provide your paypal details into it
For more details refer http://www.magentocommerce.com/knowl...-magento-store

In cases like this Google and youtube is your friend, looks as if you are cutting your teeth on Magento, good for you.

Are you already selling products with paypal? Are you familiar with their history? Take a look at the site paypalsucks.com before you use paypal.

Paypal Facility is already included in Magento. You just need to enable this service at your admin section and then provide all the details of your paypal account at Magento admin section.
Then you have any problem regarding paypal integration then post hear or search at Google or youtube.