Some time ago, I joined a place for BW members to upload pictures. Its is called Sony Imagestation - BeagleWorld Album . All members need to to is join Imagestation to be able to upload pictures. The upload link is here:
Just follow the instructions. All I ask is that we keep the image size to under 400 pixels on the longest side. This size lets the images load fairly quikly even for dial-up users.
I have found another site that hosts pictures free and allows hot linking. It is called IMAGESHACK.US. You simply upload your image to their site and once its done, they give you 4 ways to link to it. For BW, it the first choice. Just copy it from there and paste it into your post. VERY SIMPLE. Your image will be stored for at least one year. Every time someone links to it, the clock is reset. Try it, you will like it.