I am also running sketchup 8 on 10.7.2 , but am not having any problems with rubies showing up. or functioning. I did have most of mine installed under Snow Leopard, then upgraded to Lion. Don't know if that makes any difference.
Are you installing the rubies into the user level library or into the system level one ? Mine are at the system level and I believe that they need to be.

Dan

David,

You can open the user library by clicking the Go menu then hold the option key down, it will appear about half way down the list.
To get to the system user library, double click the hard drive icon in the upper righthand corner. The library folder will show up in the finder window.

Dan

Hi,

Fredo's is pointing out the load errors from other rubies, it's meant to...

the errors are all SketchUp example rubies.

It looks to me like you moved those out of their folders...

Do you have a folder called Examples? in the plugins folder,

if not make one and put those into it, except ocean ruby which should be in Ocean folder

if you do have 'Examples' folder you could try changing it to 'examples' i.e. lowercase.

failing that...
if you put the example.rb into the Examples folder [both are in the plugins folder] that will stop the messages.

also do the same for ocean_extension.rb into Ocean folder...

if your trying to learn ruby [which is what they are really for] load them from ruby console and see what errors you get then.

or it may be a Lion issue...

john

@unknownuser said:

Also, have found painting with textures and colours etc a bit difficult...the pc method seemed so much easier with onscreen colours etc being modified instantly as colour- sliders etc are being altered.Is there a tutorial out there for the Mac method?

I'm on my work PC at the moment but the texture editor is as follows.

Double click on the texture you want to edit. then the edit window appears, then along the top of the window are the colour wheel and the sliders click on them and it should be what you are after.