1st we like pics to be 800 pixels wide, not a compressed full billion byte pic … reason; it takes mobile too long to d/l.
I use a free picture viewing program called Faststone and it’s editor to reduce prior to uploading so I can save space in my shed.
Getting in is simple click on Freight Shed and then manage my folders… you can upload several at a time by browsing.
After they have been saved open a pic and since I use Firefox I copy the location (of the pic) and paste that into the mountain/moon icon pop up box. OK and the internal elves make a copy of the pic and it gets posted! Tap on Enter (keyboard) to move cursor below just displayed pic.
If you open a dialogue box to reply /post in, clicking on the Freight Shed opens a new tab and it’s easy to go through your pics, select one and place it on the other tab/page…
Note you can open to full size (4 arrows) which makes the page layout easier to manage, after you reduce, you’ll need to scroll down to find your posting as the screen goes to the top of the page…
For your profile; at the very top of the page, in grey; Updates. Home and My Profile, open it, then under your avatar is the edit profile button which takes you to all your options.
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If you need further help ask.
John