Noah's Classifieds for Joomla

I am looking for some minor modifications to Noah's Classifieds for Joomla If you are unfamiliar with the Noah's Classifieds for Joomla application, please do not respond. I would like to modify the ability to upload and view a picture associated with a classified add to instead allow you to upload a file (not necessarily just a picture). Rather then viewing the picture in an advertisment, you would have the option to download the file instead (whether it was a picture or some other file type). I would like the following modifications made: 1. The thumbnail image of the picture should not appear on the category advertisement summary page. (the entire "Picture" column should be removed) 2. Any mentions of a "picture" should be modified to read "Attachment" 3. In the "Submit Ad" section, the upload "picture" option should be should be changed to upload "Attachment". The option to upload attachment should be on the bottom of the submission form rather than directly under the title. 4. On the Advertisement details page there should be an option for the user to download the attachment. 5. The "Max Picture size in bytes" setting in the administrative settings section should still apply to attachment. the script which you need to modify is in the attachment to install it you MUST install joomla first, joomla script can be found here [login to view URL] NOTE : Joomla did not install in localhost, with php version 2.2.1 ONLY $50 for this project.