It's pretty simple. Just go to
http://www.flickr.com/ and register for an account. If I remember correctly, you have to download software to upload your pictures.
There's a limit to how many bytes you can upload each month. But no permanent limit for how many pictures you can upload. And they're generous with the limit. There's also an option to upgrade your account.
After you upload a couple of pictures there's a link to view various sizes of your photos. You select the size you want to set up as a link in your text in a post and it gives you a static link for the picture. Just cut and paste that link into the textbox where you Post Messages.
The interface is a little awkward, but you'll soon figure it out.
I usually put all the links I want to post in a Notebook file. Build my message around the links in the Notebook file. Then cut and paste the Notebook file into the post.
Good luck.
I came into this world with nothing, and I still have most of it left!
