The crash logs can be found using ifile. They are in this location - var/mobile/Library/Logs/CrashReporter/*thisappalwaysfailsonme.log lol
Im looking forward to messing with this tweak too. Hope its updated for 5.1.1 soon.
Oh another thing i was wondering about this tweak? Why does it need openSSH and default root password to work? Sounds a lil suspicious to me!