Unknown to RISCOSitory before now, it appears Bernard Boase Veasey has some vector maps (with contour data) available to download for use in RiscOSM. The maps cover Ecuador, Uganda, Rwanda, Burundi, Malawi, Kenya, Zambia, and Israel, and have just been updated with optimisations for use with the style sheet features in the latest versions of the mapping application from Sine Nomine