To turn your image into demon, the best way is to change the color of eyes. Lots of movies are also used this idea. Based on this tutorial, you can change yourself into demon easily.
中文: 暂无 中文 翻译。查看英文版 — showing the original English article below.
How to Form Demon Eyes Simply
中文
Photoshop Lady 精选内容
专业指南、评测和技巧直接送达您的收件箱。无垃圾邮件，随时退订。