Few updates to heavily modified Oscommerce site

PLEASE ONLY BID IF YOU CAN START TODAY - NEED A QUICK TURNAROUND. BIDS THAT CANNOT START TODAY WILL JUST BE IGNORED. OK, I have a heavily modified oscommerce store and I need the following contributions installing. They must integrate with the existing modifications. THIS IS NOT SIMPLE A CASEOF OVERWRITING FILES. Only bid if you have the intelligence to integrate with existing mods. Should be a fairly straight forward job for the right person. Quantity Price Breaks for SPPC [login to view URL] This has been partially installed up to the [login to view URL] edit - current [login to view URL] file is heavily modified and the changes to to be incorporated into this file. ------------------------------------------------------------------------------------------ Quick Prices Updates for SPPC [login to view URL] I already have a heavily modified quick updates file, I just need the SPPC Group filter adding from the contribution above to my existing code. ------------------------------------------------------------------------------------------ SEO URLs Need an SEO contribution installing - I have tried a couple but keep getting 404 error on product page. ------------------------------------------------------------------------------------------ Manual Order Maker I need a facility to manually create an order on behalf of a customer. I do have 'Manual Order Maker' contribution installed but it gives lots of errors. Maybe that can be fixed or a new solution could be installed. Must integrate with the other contributions ie. Separate Pricing Per Customer.