ofc that may just have to do with the fact that this is my first try at texturing , but
No "buts" there. You only get fast if you do enough, and consciously try to get faster.
A lot how you go fast is that you know what things should look like, and how to do it. That will sound like mystical bullshit, but it's the way it really is.
Now... I think I promised to talk about how I revamped this, so here's what I did, in a nutshell. If some of this doesn't make sense yet, that's OK.
1. I exported from Blender, using OBJ, because you're quite right, the 3DS script borked in 2.48, which is obnoxious.
2. I then took it into Rhino (my primary modeling application) and cut it in half. Removed the left wing, the left side of the bottom winglet, etc. Exploded the mesh, and named various sections for a later part of my typical workflow.
3. I found quite a few faces that were hidden on the inside of the model, so I cut those. That, in turn, revealed that you didn't get the verts lined up really tight on the joints between the body and the wings, so I tightened them. Won't bother explaining how, IDK how to do that in Blender, maybe KDR can explain how to do vert alignments.
4. Exported to Wings, for a quick, nasty revamp of the uvmap. All I ended up doing there was cut the "cockpit" quad away from the body, to map it using a different projection than the upper half of the body, and I re-unfolded that insides of the side-wings and bottom wing, and then aligned the edges, so that they were perpendicular. That sentence will make sense when you look at the uvmap.
5. Exported to OBJ, and used UVMapper Pro to arrange the maps to make reasonably-efficient use of the space, with emphasis on keeping everything easy to paint over sheer efficiency, and re-mapped quite a bit of the model. I used simple planar projections for the wings and sides of the wings, the top of the body and bottom, and ... pretty much everything, except for the insides of the wings.
Planar projections can cause horrible distortion, but they're great for flat surfaces, or stuff where the distortion won't be really obvious, because they're easy to paint. You can't use them on rounded stuff very well, of course, so it's a judgment call, whether you can get away with it or not.
6. Paint. With everything lined up, etc. painting was easy and fun, not a horrible chore. Can't always be this way, of course, but in this case it was very simple.
I don't know argh, it just works. You did well.
Meh, it's not great, but what the hell, it took an hour. Glad you liked it.
i might have made the fans in the wings a bit more... fan-ish but yeah. looks good.
I just re-used a stock greeble I made for the underside fans on the Resistance Fighter. Didn't feel like building / rendering anything new for a speedpaint.