first, i want to place this section

Main Page Sample Text ...

This section of text is from the Define Pages Editor located under Tools in the Admin.

To remove this section of the text, delete it from the Define Pages Editor.
underneath the New Products or Featured Products or any box content.. anyone know how to do that..??

next, is it possible to change this text

Congratulations! You have successfully installed your Zen Cart™ E-Commerce Solution.
into an image..??

last, how to insert this text

Welcome Guest! Would you like to log yourself in?
into the header..?? the header with the 'Tagline here'.

thats all..