Happy Birthday My Friend Facebook Cover Photos. Its time to wish your best friends on Facebook or any other social network you are using. The old days when we use Birthday greeting cards to wish our loved ones but now the trend is changing to wish online. So it is good idea to tag your friends with this cover to make his/her birthday remember able and special. Celebrate by order a yummy Cake. Get some ideas of Birthday cakes here by seeing some latest and unique designs. There are candles on cakes in different colors because candles are important part of birthday as Cake. Also you should write greeting messages and wishes on cards and send it your friend. You may update it as your own cover photo to show your friend so special.