nintendo ds lite, i have questions about some games.. Options

[miszxjojo]

nintendogs ;;
1. will the dog ever get big ?
2. are competitions the only way to get more money ? [besides selling your stuff at the second hand shop

super princess peach ;;
1. for level 1-5 theres something about dancing mushrooms and flowers, what do i do ? cuz i cant pass this level
2. how do you pass level 1-6 ? =/
3. i only found 2 mushrooms in 1-5.. wheres the 3rd ? i dont see a 3rd one either
4. in 2-1, i found 2. i saw another one. but it was on the other side of a wall.. how do i get there ?? =/
2. 2-2 i only found and see 1.. can somoeone tell me where the others might be ?

and thanks if you help me ! <3
ooh, and the crossouts that means someone already helped me ! ;]