CRE Loaded oscommerce project continuation/fix

We have an installed cre system.

1) We have managed to break parts of the design using one of the included WYSIWYG editors in the administrative area. The design needs fixing

2) Wherever there is temporary text (included in oscommerce) we need it to be changed with explanation for next time, so we can update the site.

2) Taxation needs to be setup according to our guidelines.

4) All functionality tested and confirmed working (i.e. customer is able to make a purchase successfully.

5) Minor revisions within the first two weeks after launch.