1. Convert PSD file into Joomla 1.5 template
2. Install it on site (will be provided to selected vendor)
3. Make template look exactly like PSD (configure modules, etc.)
4. Check layout in IE6, IE7, Opera, Safari, Chrome, FireFox
5. Check site in CSS and HTML validators.
Payment: 50% advance, 50% after job is done as required. The reminder of 50% will be paid ONLY if work is finished within the time frame you bid for. So be reasonable with your time estimation.
Include 5 your best CSS projects in bid and reference to your site (if you have it).
Look forward to working with you!