It looks like timthumb is compressing my images even with the shortcode quality at 100. I also modified the timthumb.php's DEFAULT_Q to 100 but it's still compressing my JPEG. The base image is 125x125px and i show it at the same size (shortcode size=125x125).
How can I forbid timthumb on processing images at all?
By the way, thanks for your great plugin.