Welcome to Be A Mommy! To add a blinkie, siggie or other image to your post, click on the "Insert/Edit Image" icon above where you type in your post. It looks like this:

Then, where it says URL, paste in the "Share URL" from Photobucket. (This is what you had, but without the [IMG] at the beginning and end.) So you would enter:
http://img.photobucket.com/albums/v298/toddzgrl/godswill.gif
Then click ok and your image is ready and looks like this:

We just upgraded some of our software, so I will have to see what is wrong with the Avatar. Thanks!