classipress modifications

Hi i have a cassipress classifieds wordpress theme i need some mods to it mod 1 is replace the image upload in post ad page with an image upload similar to this on this site [login to view URL] next mod is to make the post ads step all load from ajax and submit in ajax now when i select category and subcategory the page refresh i need the 3 steps to submit ads to be done in ajax next i want to replace the fields of adress mean street country city zip code... with a draggable google map with pin that i can drag and it autmatically detect the adress and save it to the posted ad to see the demo of the theme go to [login to view URL] and choose the classipress theme Happy bidding - and im on tight budget so the cheapest offer will be chosen