The message behind every brand that's plus size is about making a woman feel confident in any shape or size. Now straight size, it's all about the signature brand and how to look good in that one brand, and not necessarily how to look good for yourself.
We're fit, we're healthy, we eat right, we work out. 'Plus size model' does not mean that we're not healthy. Plus size is not glamourising obesity: it's about empowering. The message behind the fashion is feeling confident in whatever you're wearing.
People have this conception of plus size models as girls who aren't fit or don't work out or don't really take care of their bodies.
I've never worn plus size brands, and I never had to because I found what worked for my body type. So my advice is to find what works for you.
Straight sized boards are models size 0-6. Plus size boards are models starting at a 10. If a size 8 girl was 5' 11 and curvy, she'd be on the plus sized board, because there's nothing in between.