Hermes040: Did it work for you already? I used the ff values for theme marina:

#########################
#
# Font Definitions
#
#########################

# legacy
style "osso-SystemFont" {font_name = "Nokia Sans 20"} is 24 here
style "osso-EmpSystemFont" {font_name = "Nokia Sans Bold 20"} is 24
style "osso-LargeFont" {font_name = "Nokia Sans 26"} is 32
style "osso-SmallFont" {font_name = "Nokia Sans 18"} is 26
style "osso-HWRFont1" {font_name = "Nokia Sans 52"}
style "osso-HWRFont2" {font_name = "Nokia Sans 38"}
style "osso-TitleFont2" {font_name = "Nokia Sans 20"} is 24
style "osso-ButtonFont2" {font_name = "Nokia Sans 18"} is 24

#########################
#
# new fonts for fremantle #
#
#########################
style "SystemFont" {font_name = "Nokia Sans 20"} 24
style "EmpSystemFont" {font_name = "Nokia Sans Bold 20"} 24
style "LargeSystemFont" {font_name = "Nokia Sans 26"}32
style "SmallSystemFont" {font_name = "Nokia Sans 18"}24
style "EmpSmallSystemFont" {font_name = "Nokia Sans 18"}24
style "X-LargeSystemFont" {font_name = "Nokia Sans 31"} 36
style "XX-LargeSystemFont" {font_name = "Nokia Sans 52"}
style "XXX-LargeSystemFont" {font_name = "Nokia Sans 74"}
style "HomeSystemFont" {font_name = "Nokia Sans 18"}24[/QUOTE]

I am sending 2 screenshots for you to see