As Gen said applying diffrent textures to diffrent faces will make it very hard to get away with nasty texture seams ... found a pic on google to show you what i mean (in school atm so cant demonstrate with my own work sorry .. ) https://www.moonday.fr/wp-content/upl...nwrella_01.jpg

i'd suggest you to try and uv unwrap your model and avoid as many cuts as you can since this is your main thing to think about when unwrapping a model ...