Just a little note:
Models in general are not allowed to be reposted in a converted format unless expressly allowed by their creator; clauses saying that redistribution is not allowed cover redistribution in a different format. Privately converting a model you have rights to use for another application is perfectly fine. In the past we have had a issues with a couple of models that were posted to Ashundar that had simply been converted to .tgo format from their original without the author's permission. The authors contacted us and we removed them. In this case, however, I don't think there is a problem. Bobby is a moderator in the free downloads section of Renderosity, and thus a) is familiar with the terms under which models can be uploaded and b) is in a good position to make contact with the original authors of many models to seek permission to upload them, which he regularly does for models that he deems would be valuable to the community.