MY MOM SOFTWARE DESIGNER??

My mum loves interior design. She also loves puzzles but finds black belt Sudoku too easy. She's inheriting a laptop. What sort of programs and games can I load on this laptop for her?

I just got a new laptop, so my mum will "inherit" this one while I bring my new one overseas. I would like to load it with some useful software and games she can use. She generally uses computers for the most basic tasks, though she has spent long nights playing Minesweeper. She's still getting the hang of things though, so we don't want anything complicated.She'll mainly be checking email and looking at pretty interior design websites, so I'm keeping Firefox on there. I'm also keeping AVG. Is there any spyware program that doesn't need too much tech knowledge to run? I have Spybot S&D but

I'm worried that it'll be too complex for her. She LOVES puzzle games. As mentioned earlier, she has spent HOURS on past computers playing Tritryst, Minesweeper, Freecell, and Solitaire. She is now a Sudoku aficionado but is finding even "black belt" level puzzles to be too easy for her. What sort of games along the same vein (puzzle, easy to learn the basics, increasing difficulty, logical/mathematical) can I install? I'd prefer it be offline software than anything she has to go online for, but websites are good.

She also has asked for something that lets her design; I already have Photoshop on this laptop so I'm keeping it for her. Is there any good software for interior designers or those that like interior design?

Specs about this laptop:

• Acer TravelMate 290, 3 years old
• Windows XP SP2, has Office 2003 and Photoshop and a few other things
• 30GB altogether split in two partitions: C: has 20gb which is mostly taken up by software, D: has 10gb.
• 512MB RAM but kinda slow
• Internet connection is through a mobile modem (uses mobile SIM card); comparable to broadband but not always on
• Speakers passable, I think there's headsets in the house so she can use Skype
• Currently has trackpad; am considering getting optical mouse