Hi jak,

Thank you for your helpful tips and I take your point about observing case.

I have now updated helloworld to show a slideshow.

When I put the following line in module_slideshow/templates/Slideshow.ss

<% require css(module_slideshow/css/slideshow.css) %>

the slideshow becomes styled.

However when I comment out this control structure and instead put the following code in module_slideshow/code/Slideshow.php and refresh both the database and page

<?php

class Slideshow extends Page {
}

class Slideshow_Controller extends Page_Controller {
public function init() {
parent::init();
Requirements::css("module_slideshow/css/slideshow.css");
}
}

the page loses styling.

Unfortunately replacing the Requirements line with

Requirements::themedCSS("slideshow", "module_slideshow");

makes no difference.