Enjoy + NOUN, PRONOUN, or GERUND

ENJOY + noun:  I'm enjoying my vacation.  I enjoy photography.
ENJOY + pronoun:  I'm enjoying it.
ENJOY + gerund (ing): I enjoy listening to wwfm.org. It's my favorite classical music station.

a. In my spare time, I enjoy photography/I enjoy taking pictures of San Francisco.
b. Oh, really? Have you taken any good shots lately?
a. Yes, I have. In fact, I took this one early Thursday morning. How do you like it?