You may add a photo and set it as your Gmail picture. This image shows up when someone sees your name in their email inbox or chat list.
Step 1: Login your Gmail account (please refer here to open one if you do not have an account yet);
Step 2: In the Gmail account, click the "Setting" button from the right-top corner;
Step 3: Click the "Settings" command from the drop-down list;
Step 4: Click the "General" tab in the settings menu;
Step 5: Scroll the cursor down to the "My picture" section, click "About me";
Step 6: Click the "Image" in the center;
Step 7: Select one picture from the image list, or upload a new image;
Step 8: Pick the image portion in the next window and click "Done";
Step 9: Refresh the browser and you will see the new profile image;
Step 10: When you send emails to others, people will also see the new profile image when they open the message.