Desert - what you need to understand is that with a forum - if you have people uploading pictures TO the website the forum is hosted from - it sucks up bandwidth.
This forum is new and it is growing by the day - what you don't realize is that a year from now - at this rate - this forum will be riddled with members.
If everyone started uploading and viewing pictures - how well do you think this forum would run? It just creates more work for the database to compress, resize, catalog, etc...
1 thread could take MINUTES to load or even POST TEXT when you have lots of users on a forum that are uploading/downloading from the same server. There are bandwidth in/out limits set on every server - sure there is burst - but for forums - the status quo is to hotlink images from another website.
Space and bandwidth cost MUNNEH!
I understand your want to post pics easy. But i'll remind you again - there are services like IMAGESHACK where you can upload images WITHOUT signing up for anything:
http://imageshack.us/
The time it took you to create this thread, read responses and reply to it a few times you could have uploaded two dozen pictures.
Ignorance and procrastination will be the end of mankind. Remember that.