How do you decorate your place, what kind of style, colors, and feelings? That will greatly influence the type of door you might want. Also, think of your budget, and whether you want to install it yourself or hire a professional (you don't need to tell us, just keep that in mind). Then look around Houzz, in the products page, they have lots of interior sliding doors and hinged ones, from elegant frosted glass in a dark wood frame, to rustic reclaimed wood planks. You may not want to purchase that exact model, but it might give you a better idea of what would fulfill your airflow needs without sacrificing style.

Love the door do you have a web site??

Unless you have a very beautiful garage door I would paint it a color that blends with the brick IMO they are all too much in your face as is I loved it when the garage was at the back of the house not front and center

Are you saying you will be layering a wooden false wall on top of the existing wall to hold the pocket door? If that is the case, you might want to treat the entire side of that new and existing wall ( including the area above doorway) as an accent wall using wood veneer strips. They look like actual pieces of wood plank which have adhesive backing, they come in a variety of finishes and colors...I like the old reclaimed wood look. A diagonal pattern would add extra visual interest, but would be more intense to cut and install. That will camouflage the additional layer and create a beautiful accent wall.