Yeah the supporter colors look so beautiful... I never liked having a green username before then. It was really not my color, because well you know. I always like to make my signatures simple but also look good at the same time, and while I did occasionally use CSS they didn't really work out in the end because I could only stick to one coding easily.
In fact, it was Syd and Megan who inspired my current signature formatting.
I'd imagine the work you have to go through, I get most of my pics off Tumblr instead and if any need a bit of modification for my avatar I do just that, like cropping and/or resizing. I also occasionally get my Pokemon sprites off Bulbapedia or Serebii, or otherwise PkParaiso in the case with the animated XY models. As for my profile, I'm not sure if I should ever try a new design because I was testing another Oshawott-themed one and for some reason everything clashed.
I guess why my current one (dat black ooh la la) stuck around so long was because every username color was easily visible on it and I am quite OCD when it comes to color coordination.