Uploading images with an uppercase extension causes generation of images to match slider size on every page load in the Wordpress version. The smaller version is saved with a lowercase extension but the code checks for the presence of the file with the same extension as the original. The uppercase resized doesn't exist so the lowercase is generated again.
Uploading images with an uppercase extension causes generation of images to match slider size on every page load in the Wordpress version. The smaller version is saved with a lowercase extension but the code checks for the presence of the file with the same extension as the original. The uppercase resized doesn't exist so the lowercase is generated again.
Line 1269 of /plugins/nivo-slider/nivo-slider.php
Proposed fix: