[kh99]

I'm not sure how you're adding your CSS template now, but if you use the function vB_Template::fetch_css_path() to build the url, it should work either way. For instance you could use $template_hook['headinclude_css'] like:

$template_hook['headinclude_css'] .= '<link rel="stylesheet" type="text/css" href="' . vB_Template::fetch_css_path() . 'my_css.css?d=' . $style['dateline'] . '" />';

or if you're putting it in a template you could just use {vb:cssfile my_css.css} .