oscommerce contributon installation

I need 9 modifications done. Some are code modifications and the rest are contribution installations. I need these done: 1)Shipping status modification, already installed but i need it to me modified for my needs. [login to view URL],1742 2) Fix bestseller scroll so it will be compatible with mozilla browsers. 3) Totally update ccgv (gift voucher) 4) Instal this: [login to view URL],2947 5) Update Attributes copier [login to view URL],772 6) Implement this fix: [login to view URL];st=1010&#entry333815 7) Modify Breadcrumb in [login to view URL] so the product name isn’t displayed twice (will explain in detail) 8) Modify category tree so category names are aligned (will explain in detail) 9) When customer is logged, the bestsellers box will turn into the login box which displays account info, etc.. Located in the column [login to view URL] file. (will explain in detail) Only serious bidders, must have oscommerce knowlegde, and i have gotten these requests qouted from a more professional source so i know the kind of price im looking for, oviously low.