[Plugin: AJAX Thumbnail Rebuild] Timeout?

Hi, your plugin is so useful, but I am having a problem.

I have a large photoblog, and when I do a resize (just in one size), it seems there is often a timeout, and I can’t finish resizing.

Is there a fix to this?

many thanks,
Gloria

http://ww.wp.xz.cn/extend/plugins/ajax-thumbnail-rebuild/