Here are some stock images Christena sent me. The ones she likes best are in bold.
 

For contact page:

For books & research page: 

For blog page:

 

Christena collage for the about page (I was thinking that perhaps instead of taking one pic with various items - I'm not that great a photographer - Nikki could make a cool collage of my fave things. I can add more personal ones - e.g., pic of Ida Wells - but this gives you an idea):

Just generally awesome:

 

Appearances page (just and idea):