@a2j 18 July 2021 more from that month

I just joined the site and have a couple of queries. I am using Brave Browser on my mobile (android). 1. How do I upload pictures to my posts? I don't seem to see that option at all! 2. How do I post to a particular channel? Is it by posting in that particular channel page or is there any other way. Thanks in advance for being patient with a newbie.