The settings are for new nightlies with GRF Pack 4 upwards, if you use older releases (i.e. 0.5.1), you have to remove the paths from the file list. If you find some problems, please inform us on IRC or at this Talk page

from beginning until PS-Game #15 and Werkloze Desyncs, Inc. on MZ (DBSet)

[newgrf]
planesetw_459.grf
dbsetxlw.grf
pb_hovs_bus.grf
pb_viaduct.grf
basic_platformsw.grf
harbourw_456.grf
jcindstaw.grf
newstatsw.grf
pgs-counw.grf
pgs-freiw.grf
pgs-silvw.grf
pgs-subuw.grf
ukwaypointsw.grf

after that until revision r8620 (UKRS)

[newgrf]
planesetw_459.grf
pb_viaduct.grf
basic_platformsw.grf
harbourw_456.grf
jcindstaw.grf
newstatsw.grf
pgs-counw.grf
pgs-freiw.grf
pgs-silvw.grf
pgs-subuw.grf
pb_ukrs.grf = 0 3 0
ukwaypointsw.grf
pb_hovs_bus.grf
troprs_w.grf
usstatsw.grf

Games saved since revision r8979 have the GRF settings included and will be loaded automatically.