It seems quite a few people are having issues with this, so take heed:
The easiest way to upload images saved on your computer to the Internet is to sign up for an account with an Image Host. They'll give you a set amount of space that you're allowed to use and guide you through the process of uploading. After your picture is uploaded all you need to do is copy the image URL your host gives you for it and post it whenever you like.
Probably the most popular image host is Photobucket, but many others exist as well. If for some reason you can not get a Photobucket account just search on Google for other free Image Hosts.
And that's all it takes. Any remaining questions and comments go here.
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UPDATE
Since the forums do have their own Attachment system now, anyone can simply upload their image directly from their PC onto the forums. Just go down to the "Add on Attachment" area when posting, hit browse, find the file you want, and finish by hitting Open. After that, just post. That simple.
The easiest way to upload images saved on your computer to the Internet is to sign up for an account with an Image Host. They'll give you a set amount of space that you're allowed to use and guide you through the process of uploading. After your picture is uploaded all you need to do is copy the image URL your host gives you for it and post it whenever you like.
Probably the most popular image host is Photobucket, but many others exist as well. If for some reason you can not get a Photobucket account just search on Google for other free Image Hosts.
And that's all it takes. Any remaining questions and comments go here.
------------------------------------------------------------------
UPDATE
Since the forums do have their own Attachment system now, anyone can simply upload their image directly from their PC onto the forums. Just go down to the "Add on Attachment" area when posting, hit browse, find the file you want, and finish by hitting Open. After that, just post. That simple.