Many of my asset sales are remakes of older pieces that were released under the 'rpgspritemaker' name. If you happen to have the older versions, you're still free to use those versions under the terms they were released with.
If you have any questions, I can be reached at andyparadoxic @ gmail.com
Follow @andyparadoxic on Twitter to see more of my work.
I am not available for commissions.