but it's easy, just connect to ftp://expo.survex.com and type in the usual password when a popup asks you. Go to the folder /expofiles/uploads and dump your stuff there. Then ask someone who knows to move it to the right place.
<h2>More expert use</h2>
Instead of putting everything in /expofiles/uploads/ why not do it properly? Go back to the "Uploading Photos" page and find out.