Mandriva rpms and Mageia

Newbie here on Mageia 1. After some 13 years with Mandrake/Mandriva I felt compelled to switch to Mageia because it has integrated GNOME support, at least for the time being. So far it looks a pretty impressive achievement, well upto the high standards Mandriva has achieved. I had asked on mageia-discuss about installing Mandriva rpms; obviously a dicey proposition. Decided to try it myself because after installing ruby and rubytk TkImg was required. Copied the tkimg1.4 rpm from Mandriva and urpmi'd it. Apart from a bad signature it appeared to work - images came up fine in ruby.
I imagine the cognoscenti will condemn this procedure as a general practice; viz Anssi's warning about installing nVidia graphics drivers from the website rather than running his packaging script, which I shall certainly use on Mageia. It worked very well on Mandriva. And if I were a packager I would do something about TkImg but in fact I would need a two-year apprenticeship to be useful to the community.
Len
I imagine the cognoscenti will condemn this procedure as a general practice; viz Anssi's warning about installing nVidia graphics drivers from the website rather than running his packaging script, which I shall certainly use on Mageia. It worked very well on Mandriva. And if I were a packager I would do something about TkImg but in fact I would need a two-year apprenticeship to be useful to the community.
Len