Create many more. Such as also approve your blog/site from technorati. And create backlinks from many other high pr sites. Such as you are doing now and you already know this.
submit it once, and then do what the others said... above all else,simply forget about it, as a DMOZ link is no longer as perky as it once was, and the wait time is simply NOT worth waiting for.
Dmoz says its accept Quality site having quality content. But saw there many sites having few images only, no content at all. I don't understand criteria of theit quality content