The tube that I use offers a wide bulbous look from both top and bottom. After all, the fish don't look at a fly like we do from the side. They most likely will see it from the back and underneath I have found that this wide look is by far more effective than building narrow when looking down no matter what the profile. In order to do this you must have a wide platform. There are two problems when using the standard way to build a tube. Most of the time a larger size tube will be used to tie the fly and then a larger junction tube will be placed over the back to hold the hook. My way is to use the large size tube to tie the fly and insert and glue in a shorter piece of the smaller diameter tubing leaving room in the back for the hook to slide into the larger tying tube. I find this system is perfect and works very well because the lighter wire hooks are still held firmley..
The body on these flies is almout not needed. I use very sparkly braided or holographic materials so that if the body were to show it has some flash. You can dub with a palmer style hackle if you like. For this fly I used the braid and then a collar of Blue Eared Pheasant. Any material put in as a hackle or under collar has the effect to lift the wing. It will also have the effect of under flow to the wing as well as acting as the throat. It will mix in later with the wing and outer collar and is an opening to introduce contrast. Colors like chartreuse or blue are greatly enhanced by using black under or over.
Spey Plumes make wonderful movement in the front of the fly. Water will flow by the plumes and have the wing dancing. This movement is one of the most important aspects to a steelhead fly. The fish are very attracted to the action and is the reason I don't weight my flies. I will put a baffle on the front at times for added movement but never a cone head. I use my tips to gain depth and keep the action in the fly.
With this style we are able to keep the hook toward the back of the wing, the width of the body and have a tight hook placement. Now just create a color group and you have a simple and complete fly for a two hand steelhead swing.