You do need to understand that I have an extremely long list of high priority tasks, which will take many years to complete without very substantial (and unexpected) assistance from others. It would be an excellent thing to have all significant British vehicles of all sorts (road, rail, water, air, etc.) in every livery in which they ever appeared, and perhaps one day we will, but I am afraid that asking for specific things will not make things happen any faster. It is not as if I do not understand that we do not have every livery in the set; it is just a matter of priorities.
It really is just me working on this at present: The Hood, who had been working on modern rail vehicles until recently, stepped down from pakset development after becoming a new father. I am entirely self-taught in coding and do this in my spare time in between a busy and unpredictable full-time job. To give you an idea of how long that my to do list is, have a look at this
thread. Each one of those tasks may take many months (some might take a few weeks, others might take over a year in themselves). There have been times when fixing a single bug has taken four months.
That list does not include pakset tasks, and there is plenty of pakset work that needs doing, too. For example, at present, I am staying away from home for Christmas and have no access to my ordinary computer that I use for development, so I can only undertake pakset work. I am using the time to re-scale all the road vehicles, which are out of scale, and add more road vehicles as I do that. Road vehicles are a priority at present because there are far fewer road vehicles in the pakset than rail vehicles, and thus far more gaps. It will therefore add more to the game to fill in those gaps than produce additional railway graphics. The priority needs to be filling in gaps.
It is one thing to identify functional gaps (i.e. there is no vehicle that does X thing between years Y and Z) of which I may not be aware (thus identifying a previously unknown problem in the pakset), but it is another just to ask that I produce more liveries for existing vehicles when I already know that the set of liveries is not complete but have decided to prioritise other things. Asking me to produce a specific livery amounts to asking that I stop work on other projects that I have already identified as higher priority in order to do that. Even the time that I am spending writing this message is time that I could (and would prefer to) be spending undertaking other tasks.
I do not want to discourage you from contributing to the forum generally or playing Simutrans(-Experimental), but I do want you to learn what sort of contributions are helpful and what are not. I believe that you have been asked by other forum moderators before not to beg for items, which is generally discouraged because it is intrusive and demanding for those who spend their free time creating content for the game.
I understand your passion for the game, and I know that it can be frustrating if there are things missing that you would like to see, but asking others who have a very long list of other things to do to produce the things that you specifically wish for is not the solution.
You did try previously I believe to have a go at making graphics yourself, but you gave up after a while; I did ask you what the problem was to see whether I could help you, but you did not respond with any detail beyond that you were having trouble with Blender.
As you may see from this
discussion, I am experimenting with a simplified workflow for producing graphics that should make producing new graphics for the pakset much easier than it has been before by eliminating entirely all post-processing, meaning that you only need to learn how to use Blender (and then only its most basic features) and edit the .dat files in order to produce new items, rather than working with the GIMP and Render Post Processor as well. You are welcome to use that method for the graphics that you would like to produce, as the experiment seems to me to be successful so far.
Realistically, it is likely to be many years before the things that you are asking for will be produced if it is left to me alone to do them, so great are the demands on my time. The only way in which there is any likelihood of these things being done sooner is if (1) you learn to do them yourself; or (2) you find some other people who are willing to work on the pakset and produce these graphics. This will not change by you asking for more things (unless you identify an error or functional omission that becomes a high priority task by virtue of the "bugs before features
If you or someone else does produce them, provided that they are to a reasonable standard, I will happily include them in the release (and you are free to use them yourself even if they are not included in the release).
I hope that you now understand why the response to your requests has not been - and is not likely in the future to be - immediately to act on them. If you want to have another go with creating graphics but get stuck again, please do post a message (in the public forum not
a private message, please: private messages do not allow multiple people to respond, nor do they allow others in the future to see how your problem was solved) and we will try to assist you as much as we can. Indeed, assisting others to learn to produce more items for the pakset is itself a high priority task, as it will ultimately allow more new items to be produced in any given time if the person does indeed succeed in producing new things.