In Dreamweaver, you can easily add a background image to a table, to a row within a table, or to individual cells within a table. http://www.adobe.com/support/dreamweaver/layout/bg_image_in_table/
If you plan to support a wide range of browsers for your site, you probably use a lot of tables to lay out your pages. http://www.adobe.com/support/dreamweaver/layout/tables_and_layers/
This video tutorial shows how to set the border color of a table in dreamweaver. http://quantunet.com/dreamweaver/skills/sample/table_border_color.html
This video tutorial shows how to merge cells in dreamweaver using the properties panel http://quantunet.com/dreamweaver/skills/sample/table_merge_cell_rows.h...