sorry to create a new topic here but I couldn't find another way to contact you.
I have a question for you regarding one of your post on this forum: http://wordpress.org/support/topic/plugin-regenerate-thumbnails-cpu-usage?replies=6
I'm having the same trouble as Dev93 with one of my theme (elegant themes): thumbnails get regenerated every time I reload a page of my website...
Do you remember the way you fixed timthumb plugin "to check if the file for each image size already exists and only generate those required"?
Thanks for your help.