LindaB cant be the only rosity member unfamiliar with Objaction Mover and/or RTEncoder, so Id say her concern bears focusing on.

Id think the easy solution would be on the products description page, to clearly state RTE is required, boldly proclaim its free, give the download URL to RTE, and possibly even include a URL to an RTE tute (if there is one, the instructions in RTE's ReadMe has always been clear and sufficient as far as ive seen)

Proclamation of the freeness of RTE and the download URL in the product ReadMe is prob a great idea as well, although you may need to get a permit from the Department of Redundancy Department.