In addition to the kit you may want a set of etched brass railings with ladders. Loose Cannon recommends Gold Medal Models, Tomís Modelworks or White Ensign Models.
Some extra parts are provided in the kit.
Painting: Loose Cannon recommends the following Colorcoats paint:
C 02 Matt Black- Hull
US 16 Deck Green 20G- Deck
RN 10 Royal Navy White- Superstructure and masts
RM 06 Giallo Verde [Light Yellow-Green]- Stack
RM 08 Rosso [Red]- Band around Stack
Trawler: Very colorfull and weathered wood decks and masts