When posting to a forum which attachments are allowed we have lots of controls at our fingertips:
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1) Click "Browse" and choose a file from your local hard drive to upload. Images type you can post here are: gif, jpeg, jpg, png.
You can also upload documents such as PDF or ZIP files.
2) Click "Add This Attachment", this will actually upload it, if you forget this step your attachment will not get uploaded WAIT for uploading message - the message will disappear when your file has been successfully uploaded.
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After this step you will see a screen similar to the image above. There's a few numbers to give you some feedback, on the left side is the Global Space Left which represents the total amount of space you have available for all your attachments on the entire site. If you need more space PM me and I'll see what I can do (disk space is a limiting factor here).
3) Click "Manage Current Attachments" and the
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