You're using the built-in post thumbnail feature in WordPress. That's all well and good, but you'd really like it to link to the originally uploaded image for a lightbox or something else.
How do you do it?
I'm not the best at PHP syntax, so if there's a smarter/cleaner way, please let me know!
First we need to use the
getpostthumbnail_id() function like this:
<?php $thumbID = get_post_thumbnail_id(); ?>
This sets the variable
$thumbID to the id of your post thumbnail.
Next, we want to build the URI for your link:
<a href="<?php echo wp_get_attachment_url($thumbID); ?>">
Now, there's probably a cleaner way to do this, but again, I'm not all that awesome at syntax. But basically you're using the
wpgetattachment_url(); function in conjunction with your post thumbnail's id to get the original image src.
Thanks to @cgrymala over at HTMLCenter for this tip.