homework4:using some software to edit vedio, photos and audio.

this is a banner that I make with photoshop,and I record a video to show how I make it.



[video width="1280" height="720" mp4="https://www.yvsou.com/wp-content/uploads/sites/30/2018/04/2015329620010-余虹霏-banner的制作.mp4"][/video]