Is it possible to display a specific post thumbnail image based on the category ID, something like this:
<?php if ( has_post_thumbnail() ) {
if ( cat = 2 ) {
echo '<img src="image1.jpg" width="" height="" class="live-holder-img" />';
} elseif( cat = 3 ) {
echo '<img src="image2.jpg" width="" height="" class="live-holder-img" />';
} else {
echo '<img src="default.jpg" width="" height="" class="default" />'
}
?>
You may want to look into category templates: http://codex.wordpress.org/Category_Templates
The quick solution would be something like this:
is_category function reference: http://codex.wordpress.org/Function_Reference/is_category