Install modules on oscommerce site

Finish off a site modification project left incomplete as the current developer disappeared. You need to be very experienced with oscommerce. Basically I need you to add a number of mods. and do minor changes in html pages. Most of these modifications are very small and need changes in only a few files. Most of the following mods are very small. Here are the a. Actual_Attribute_Price_V1.2.2 c. feedback g. tell a friend about the site (should be installed in left column) i. adavanced categories admin k. auto database backup l. Auto-Complete_Addition with choose contact r. GNA EP Assistant V2 s. header_tags_aca v. Order_IP_Recorder v1.1 x. PageMaker_1 y. Quantity Price Breaks Per Product z. RecoverCartSales1.4c aa. send_order_html_email_v4_0 bb. ShoppingCartEnhancement_v12 cc. stats_recover_cart_sales dd. user tracking with admin ee. Keep Image Proportions 1.3 ff. choose your recipient for contact us page gg. LIVE SUPPORT PLUS 1.00 hh. Autologon secure jj. Customer Updates - Customer Comments v1.0 kk. Improved Order Number mm. Live support warning sounds pp. SaleMaker - All products marked down qq. Whos Online Without Search Engines rr. Sales Report ss. php my visits tt. EZ_Price_Updater uu. Quickbooks QBI [login to view URL] Link Transformer --------------------------------------------------------------------------------