Welcome to Steemit mate, glad you joined!

Here's a few links to help you out.

New users guide: https://steemit.com/welcome
Inserting images into posts: https://steemit.com/steem/@billbutler/adding-images-to-your-steem-posts
Top earners list: https://steemwhales.com/

I'll keep an eye out for your next post!