OsCommerce contributions and update installation

We have a live oscommerce website with many contributions installed. We do periodically maintenance upgrade on the contributions and also enhancement. All your work should not break existing code. If you do a good job we will have more projects coming to you. We need someone who can commit and help us long term. below is the list of contributions: ***** Update old contribution ***** Quantity Price Breaks Per Product ver 1.11.2 or later (Fix For SaleMaker) [login to view URL],1242 Wolfen Featured Sets v1.02 [login to view URL],2283 [login to view URL];f=7&t=103663 Order Editor update to latest version 1.6a and bug fix [login to view URL],1435 [login to view URL] Order IP Recorder v1.3 [login to view URL],2138 Who's Online Enhancement v1.7.1 [login to view URL],824 Seach Engine Friendly URL V1.8 and Manufacturers Box Update [login to view URL],2796 [login to view URL] FAQDESK BUG FIXES listing bug fixes [login to view URL],1106 ************* New contribution ************* FedEx Automated Labels 1.08 [login to view URL],2244 Step-By-Step Manual Order Entry latest v1.4 with english fix [login to view URL],1589 orders_tracking 2.7a [login to view URL],1522 News Scroller Box - NO JAVA/HTML Version (Header update version) [login to view URL],389 Attitude Simple Manual Order Entry [login to view URL],1927