Here's the signature I'm trying to install under URL.

Click On...

..."My Account" in the right hand column. Then Clock on "Edit". Then fill in your details and upload your picture.

I think there is a size limit.

There is somewhere information on the size of image that can be accepted for this.  The top picture is to be 85 X 85 and 100 kb size.  I can't seem to find info for the signature line stuff right now.

Just as they said above, just

Just as they said above, just one question are you another Trainz modeler. 

Question

Randy, what device are you using to edit the settings?

Answer

Yes, I was a Trainz modeler until my big computer fizzled.

I don't know what you mean by what device I'm using. I'm on an old Compaq Presario using Firefox.

device...

Well, that's exactly what I meant   No point giving instructions for a PC if you're on an iPad.

Adding and linking your banner in your signature:

1. Visit My Account, then Choose the Edit Tab.
2. Scroll down to the signature section.
3. Type in any text you want to include.
4. Place the cursor in the signature box where you want your image.
5. Click the Image button.
6. Enter the image URL in the URL box. This is your image URL:
   
   http://img.photobucket.com/albums/v730/diecastdeluxe/avatars/NKP-SD9s.jpg
   />  
7. Set the width to something less than 800. Mine is 550.
8. Change to the LINK tab in the Image Properties.
9. Enter the website address you want to link the image to in the URL box.
10. Click OK.

Should be good to go!