There's no need to make another thread. Just edit your original post, or reply to that thread.
Here are just a few, of many, ways you can utilize to increase your chances of getting accepted:
- Be 100% honest on your application
- Use the proper application format
- Include all of the information requested
- Post some screenshots of your past creations
- Lengthen your application
- Check your grammar/spelling
- DO NOT just re-post your previous application
- Make a great first impression
If you follow these tips, chances are, you will get onto the Whitelist.
After you have improved your application, reply to it saying it's been updated.