In wordpress, how can I change the profile picture of administrator or the users added. I didn't find any option to upload your profile picture from your PC. I know it is possible if I use Buddypress plugin in my wordpress. Is there any way to change the profile picture without this plugin?
On WordPress.com, we use Gravatar to associate an avatar with a user’s account. If you’ve set up a Gravatar, it will be displayed when you post to the forums or comment on a blog, and it may also appear if your blog is featured on a tag page.
Custom - Backend
If you manually want to add images for your users, there are plenty plugins available to use: