Do you mean in your signature and avatar? If so, follow these instructions:
Signature
1. Upload the image you want to use at
http://www.photobucket.com or
http://imageshack.us2. Copy the URL of the picture.
3. Come back to this forum.
4. Click on
My Controls near the top of the forum page under the banner.
5. Click on
Edit Signature on the left hand side under
Personal Profile.
6. Paste the URL of your picture inside the box.
7. Type [ IMG ] before the URL and [ /IMG ] after the URL. (Leave out the spaces)
Avatar
1. Find an image that's no larger than 140x140 pixels.
2. Save it to your computer.
3. Click on
My Controls near the top of the forum page under the banner.
4. Click on
Edit Avatar Settings on the left hand side under
Personal Profile.
5. Click on the
Browse button.
6. Find the image in your computer.
7. Click on
Update Avatar.
If you just mean that you want to put a picture in your post, then save the image to your computer. Upload the picture at
http://www.photobucket.com or
http://imageshack.us Copy the URL of the image. Click on the IMG tag over the box that you type in. Paste in the URL of the image. You're done.