Before uploading your thumbnail to Drive, please ensure that
It includes no more than 4 big elements. The small elements are absent
There is a 1 big face on it. Pick the most emotional interesting photo that you can find
Objects are placed properly:
main face/faces - right;
text - upper left, upper center;
other objects - left
4. The thumbnail text is not too long, up to 6 words
5. The thumbnail text has no grammatical errors
6. The thumbnail text is in contrast to the background. We prefer:
yellow letters on a black background
black letters on a yellow background
white letters on a black background
black letters on a white background
red letters on a black/white background
7. The image size is less than 2 Mb
8. The whole thumbnail composition is associated with true crime and horror content.