This is the most time consuming operation in porting any CSS template to BlogEngine. If you like your design pixel perfect - that will cost you. These are some general tips that I hope will help make job a little bit easier.
Cool thing about open source is sharing. You give some - you get some. When it comes to themes, there are tons of great free designs out there on the web for applications like blogs.Some of them are generic CSS templates, others specifically designed for popular open source projects like WordPress.
