may be many way to spend bitcoin, i just know this, moreover you can search on google, bing, or etc. such as:
1. Coingig is an online marketplace that conducts its transactions solely in Bitcoins. You can find everything from books to t-shirts to gift vouchers on Coingig. International shipping, as with similar online marketplaces, will depend on individual sellers.
2. PizzaForCoins allows you to order from any nearby Domino’s, Pizza Hut or Papa Johns. Pay in Bitcoins to PizzaForCoins, and they’ll order your pizza(s) for you. PizzaForCoins is currently available for United States and Australian customers only; the United Kingdom service is currently offline, while a Canadian service is "coming soon."
I think OP is offering a service from his signature.
Sorry OP, but like Possum said, this thread should be posted in service section. And you should give detailed explanation about what actually you are offering or asking