I viewed your profile, http image urls will really not work in the infoboxes as far as I know. It has to be from the uploaded images here. The size would preferably be 200px or higher. So it could fit the user infobox. The picture you uploaded is too small.
Well Bass Pro sells equiptment at at good price. I'm not sure I would get the actual bow from there but for other things (string wax, quivers, targets, ect.) it's fine. I would get the bow from an archery shop or a firearms shop.
Also get a fingerguard. Typically only armguards are required in classes, but fingerguards will save you a lot of pain. Imagine getting ropeburn on your fingers after only twenty minutes of shooting, yep not pleasant.