Gmail, It is the biggest email service by Google and it most popular service all over the world. There are millions of internet users that are using Gmail because it is the best and most reliable service than other email service provider. Gmail always modifies Gmail design and its features. Last year they had changes its complete look with some extra new features like Display settings and Theme option. All Gmail themes comes in HD to give beautiful look to your Gmail inbox.
Now Gmail Team just added one more new features which allow theme customization to its users. You can upload your own photo on Gmail and set as Gmail background. To get this feature, you need to follow some steps. First of all click on the Gear (Settings) icon which is available at the top right of your Gmail account and select Themes option. It will move you on the Gmail Theme setting page.
Scroll down the Gmail Theme setting page and select Dark or Light Theme under Custom Themes option.
Once you select any of Custom theme, Gmail will open one new popup window to select the background image. In Image uploading popup, you will get various option to select any image like you can select featured image by Google, My Photos, direct URL of any online image or you can upload your own from your computer. To upload your own photo/image click on Upload photos option and select the photo which you want to use as Gmail background.
Gmail automatically save your selected image and set as Gmail background without any further settings.
Overall this is really a very good initiative taken by Google that allows you to customize your own Gmail account in your own way. So find some image that suits you to customize your Gmail account and get started.