http://www.doedelmania.ontheweb.nl/
http://spida_singh.tripod.com/mcuppm.html

pls tell me if these sites are any good. thanks

first one is very good but have NL language in flash files..
Lot's of files from that site are tested by me too!
other site I don't know.

WBR

Salami1_1

can i modify this files wit hex editor?

yes u can. but edit them carefully...

and after that you must recalculate checksums otherwise the phone will give you Contact service.
(Use Nkfree from viper or knok to correct those checksums)

WBR

Salami1_1

I correct checksums with ppmmanager and ppmsplitfix but when i flash it says Contact service what can i do?

http://www.simlocking.com is a wonderfull website.
It has got all of programs and flash files you need...