Voyager360 wrote:
A question about the base painting, should I cover the whole area up completely or just mostly? For example their face, should I deliberately use very light strokes so the mouth, eyes, ear holes, etc. retain their black undercoat or should I just fine detail those parts later?
Completely. With a basecoat, you want it to be as consistent as possible - the shades and layers will do the hard work of detailing for you.
Voyager360 wrote:
I also noticed when I give only a single base layer a lot of the black undercoat still shines through. Is this okay or does that mean I should apply another base layer?
Yeah, give it another layer. And remember that if your paint is running too much off the raised bits, you may be watering down the paint
too much. You'll find the right consistency after a while, though.
In general you want multiple thin layers - but the Base paints should really only need one or two unless it's yellow or white or something bright over the black undercoat (they may need more, but not much more).
Voyager360 wrote:
What I've done in the past after switching paints or finishing painting completely is dipping the hairs of the brush in a jar with water and then strike on a piece of paper until it's approximately dry. Is there a better way of doing this or any details I should pay attention to? I also keep the head of the brush in the plastic protection you get with these Citadel brushes, is that a good idea or should I stop doing so?
A couple of things - try not to let the paint reach the top of the bristles, where the metal bit is. It tends to collect there and dry, forcing the brush out of it's point. Also, whenever you dry or clean your brush, twist the bristles slightly to restore a point. It'll make things last much longer. You can do this by wiping it dry on a paper towel or something, but twisting the brush in your hand. Keeping the plastic protector on is a pretty good move, as it prevents the brush getting out of shape by being knocked or pushed against something.
Brush care isn't my strong point though (my collection of dead brushes is sight to behold) - I'm confident some of the far better painters on here could give you far more comprehensive advice than me. Either way, brush care is a common enough topic that I'm sure there will be articles and blogs aplenty on the topic.
Voyager360 wrote:
And finally what size of brush should I get for the base painting, the layer painting and the fine details? I've read good things about the Winsor & Newton Series 7, if choosing that brand should I get the regular line or the special miniatures lines? Will these more expensive brushes last for some time if I maintain it well?
My most honest advice here is to say don't worry about getting lots of expensive brushes until you're confident with using and maintaining a brush. As a beginner just learning techniques art and craft shops sell packs of brushes of the right sizes. They aren't great quality, but are cheap - and if you're anything like me then you'll go through the brushes at an alarming rate as you learn "Oh, DON'T do that! Right!".
I'm no expert on brush brands (I just tend to go between Army Painter and GW, because I can pick them up locally or with the retailer that I use online - never underestimate the appeal of laziness and convenience), so I can't help there. Personally I find the need for super fine brushes to be a touch exaggerated - I'm not nearly good enough to be painting individual highlights on a belt buckle, so I tend to make do with a thick brush (GW Basecoat brush, or similar) for washes or for when being neat isn't a concern, a 'standard' brush (easy enough to do fine details with if you just put paint on the point, honestly: a point is a point is a point is a point - if you get my point) and a really thick messy brush with bristles everywhere, varying degrees of stiffness and floppyness in the 'tip' and I think I once shaved it flat with a knife. I use that for drybrushing, applying glues and all that fun stuff that I wouldn't use a nice brush for. I don't really find much use for super fine points - but that may just be because I'm a talentless hack.
Good luck with the goblins!