"Thanks! I've shared the slide in a support ticket. "

"Is the snap-to-centre bug still open? I've unticked the option and tried setting it to 'free' but the drops are still snapping to the cen..."

"Thanks all! I've remade it using the built-in states with images for the letters and it is working now."

"Thanks! Unfortunately in this case I need to have a separate object to click on to trigger the change, as the text boxes for the letters ..."