I can't understand second link tutorial

I have faced some problems with modeling.






There are my model picture, and photo. I want to make a letters and attach a label. How can I do it? I want that 3d letters

I have puted y on hardware acceleration and it's laging less. Thanks

I can't disable hardware acceleration, windows>and there is no preferences folder..I think my graphic card don't allows disabling of hardware acceleration. Any ideas to fix this problem? Sketchup 7 also lagging.

I'm using windows 7 with dual core processor and geoforce 8600GT NVidia graphic card. When i puting textures or turning on shodowing it's starting to lag. What I should do to fix this? I have updated my drivers and it's also laging. Sorry for my english, I'm just student.

I'm using windows 7, and i have problem when i put files into sketchup7/plugins directory. Can someone help me? Error says: " Error Loading File ZLoader__FredoScale.rb
No such file to load -- LibFredo6.rbError Loading File ZLoader__RoundCorner.rb
No such file to load -- LibFredo6.rb"