I have spent hours trying to figure out how to post pictures I tried drag and drop and it don't work. That's why I don't to these forums cause things are to complicated to do it I don't have a url ca...
You can't have your photos on your computer. They have to be uploaded to an online photo hosting site.
Many forums do not host pictures in order to keep costs down. The disk space to store everyone's pictures costs money.
There are plenty of free photo hosting sites on the web. Just make sure that the photos you upload are not "personal" and nothing you really care about because you are basically releasing them to the public domain, regardless of what copyright law says.