hrmmmm.. try this mate...parent all teh parts to the base... which you've done... ensure the base is selected... when you save to teh prop library... at teh left is a select thingy button.. click on that it opens up a hierarchy window... select all teh pieces parts you want.... then save it to the library.. the two things here is to parent the pieces.. and selecting the main parent. the heirarchy window selection bit is just to make sure Poser doesn't forget that you want ALL the pieces tis how I saved the Diablo and Prowler as well as teh articulated motorcycles I worked on 8 ) they should drop back into place when you add the prop to the scene. you may have to reparent the parts.. depending on which upgrade/version you have CHeers