Wechat avatar can use the following kinds of pictures, which are simple and beautiful: 1. Self-portrait or life photo: You can show your personality and charm with your own photos. 2. Illustrations or artworks: You can show your creativity and uniqueness by using some interesting illustrations or creative artworks. 3. Icons or signs: Use some meaningful icons or signs to convey your personal tastes and beliefs. 4. Pet photo: If you have a cute pet, use its photo to show your love and sense of humor. 5. Landscape photo: A beautiful landscape photo can show your intellectual literary sense. No matter what kind of pictures you use, you must choose high-quality photos and make sure that they can be clearly displayed on the WeChat avatar.