ask for determining circuit SD card shield

Other Hardware Storage
1

I want to make simulation program SD card and i have a problem to determining circuit SD card shield
i used the this SD card shield
http://iteadstudio.com/store/index.php?main_page=popup_image&pID=232

can anyone help me to determining circuit SD card shield

2

something similar to

which isnt the best way, but it saves using a buffer IC in exchange for slower speeds