Okay so...

Here's an overly convoluted deep cut

 i.e. my favorite thing...

I'll backtrace my train of thought for you

1. The green and yellow image above is apparently the flag of Miyazaki Prefecture in Japan.

2. It was the first image that Google Site's image search turns up for "trains flag"

3. Dan remembered that on March 5th, 2018 RuPaul tweeted a "trains flag" instead of a "trans flag" as part of a sort-of-apology

4. Dan wanted to replace the poorly drawn pencil mountain vista image on gorge.gay

5. On March 5th, 2018 RuPaul tweeted a "trains flag" instead of a "trans flag" as part of a sort-of-apology