3delamadrugada on "I just can´t chage the slideshare heigh, only width, why? help please..."

hello,

I want to change the heigh of my slideshare... but I just can change the width, and I would really like to make it have a "page" look. not square, but rectangular.

down here is the code and the link to the page. what am I doing wronng?
maybe the heigh can´t be changed, just the width...?

[slideshare id=4955246&doc=dossierprensaelcorazonlaboca-100812133957-phpapp01&type=d&w=640&h=900]

http://davidfernandez.org/el-corazon-la-boca-los-hechos-y-la-vida/

thanks a lot