You can use the Package Manager, and just set the shipping address to your friends.
More infomation, please see https://help.tinydeal.com/faq/detail/143
Or, you can change the address in your paypal:
PayPal buyers can provide a seller with a Gift Address to send an item to someone else like a family member or friend. Please add your relative shipping detail as follows:
1. Log in to your PayPal account.
2. Click the Send Money tab.
3. Enter the required information.
4. Click Continue.
5. Click the Add Address link.
6. Select the Gift Address radio button and enter the name and address the item will be shipped to.
7. Enter your credit card information.
8. Click Continue.
Review the information and click Send Money to complete the transaction.
Any questions please contact us by Customer Service Express: https://help.tinydeal.com/contact-us