Personally, again that's my own opinion, I'm cool with this, as long as you're of course stating that this is a conversion from this or that game and mention the original author of the sound in the description.
Of course, bad conversions/mods are a spawn of Satan, but I think that the abilities of some of the modders vary quiet a bit.
Still, I'm going to use the mods I'm looking for, regardless of it's origin or quality of it. If I like it, I'm going to keep it, if not it gets installed. You cannot blame some people who don't put seamingly as much effort into something, like you guys, for ruining the modding community or out y'all in a bad light. I think that then it's up to you to really deliver and release an insanely good modification with the proper presentation (photos, in - game footage, etc.) to show that there are also people/groups that try