Guys i ahve been trying many techniques with bw conversion, in the past i would just desaturate or even play with the channel mixer sliders to get the desired effect. Now im experimenting with the daniel diaz method. anyway some comments please thanks

original:
http://static.flickr.com/83/266515965_3fb5ee8071.jpg

converted
http://static.flickr.com/92/266515966_94bc11b4f4_o.jpg

Nice contrast Carlo! Probably you need to crop it slightly... :)

bro, try mo to..

http://www.adobe.com/digitalimag/pdfs/phs8bwconversion.pdf