Sometimes it happens for me as well, try just clicking "Update". Also, the server I'm using isn't 100% stable so the pics could actually go down on occasion [img]smile.gif[/img]
To upload
1) Click this link
http://www.graffiti.net
2) Fill in the user name you want in the text box to the right and click
Enter
3) Fill in the information they require, only the fields marked with ** are required. What they're asking for in the
Alternative Contact Adress is really your e-mail adress. Click on
Sign Me Up
4) Now your registration is complete. Click on
Web Hosting in the upper right corner. This will take you to the File manager.
5) Go to the bottom and click on the
Browse button to the right of the text box. Select the image you want to upload(make sure you've converted the image to either gif or jpg beforehand) and then click
Upload.
6) Your image is now online, just repeat step 5 whenever you want to upload more images.
7) The adress to your image is
http://home.graffiti.net/YourUserName/ImageName.gif (or jpg)
8) To show the image here, simply write [img] TheAdressToYourImage [/img] (without the spaces before and after the adress)