short answer.

1. got contract? if yes, then u're bound by whatever terms it contains. if no, go to 2.

2. care abt the relationship with ur fren? if yes, then delete, if no, go to 3.

3. keep the photos and your fren/client can go to hell

Quote Originally Posted by AReality
Haha... Ignore the topic...

The real qn is:
If you're [paid/not paid] to do a job, & after the job your [client/friend] [asks/tells/forces] you to delete the photos after sending him.

Will you?
The keyword is after.

BTW, imagine that the photos you took is more pro than your pro'est job ever... It is supposed to be a keeper.