On upload this plugin will generate the following effects on that image:
All effects come in the following sizes:
These images are displayed in the Add Media area under the Size dropdown menu for use in pages and posts.
Usage with Advanced Custom Fields:
<?php $image = wp_get_attachment_image_src(get_field('image'), 'image-effects-1000-bw'); ?>
<img src="<?php echo $image[0]; ?>"/>
This example is of 1000px wide black and white version.
All possible image objects:
For more examples of the above, visit http://dev.twoblok.es/wp-image-effects.