Yes, there are pictures of Maya Angelou's son. If you search Clyde Bailey "Guy" Johnson, you should find some pics. There arn't many, but there are a few. Good Luck in you search and God Bless You!!!
If the unknown answer-er would have done his/her research, Maya Angelou clearly states in her biography that she had her son Guy at the age of 17. Now, if this was for a project, the person who asked...
He was struck by a car when living in South Africa with his mother. Listen to Guy Johnson/ Maya Angelou broadcast at http://www.prx.org/pieces/8243-maya-angelou-guy-johnson-mother-and-son-poets.