Smaller thumbnail in the_content

Question

My site is basically a Pinterest style product catalogue with atleast one image per post.

I upload large images, thumbnails of which are automatically generated by wordpress BUT the website has been loading really slow because the_content tag by default uses the largest thumbnail image that I choose from the "media" tab while creating the post.

Is there any way to use the smaller thumbnail but link to the larger thumbnail on click?

edited to add: I use the Pinboard theme.

I appended the following in functions.php:

add_theme_support('post-thumbnails');
set_post_thumbnail_size(280, 800);

and this in loop.php:

if ( has_post_thumbnail() ) {
    the_post_thumbnail(); 
} else {
    echo("-");
}

but it shows the else part on the website, so I assume it isn't finding the image used?

Thanks!

Answer 1

I think this will help you. It shows how to link to a larger image and display the thumbnail.

Also, if you want to display a smaller image, you can do this

the_post_thumbnail( array(100,100) );

This will generate a thumbnail of size 100px by 100px.