Peter also painted a number of trading cards for such popular Top Cow comics as Witchblade and Fathom.
There, Peter took on a much larger role, acting as Vice President of Publishing, as well as continuing to use his graphic design and colouring skills.
Since joining Aspen, Steigerwald has colored a great deal of comics, covers, and pin-ups for his co-worker, Michael Turner.
His work with Aspen has also led him to do cover colors for many DC and Marvel comics.
Since 2010, he has been the main colorist for Joe Benitez' Lady Mechanika steampunk series.