3D graphics problem

[FMooN]

hello all sorry about my English if i mistakes
i got a problem with the 3D graphics in one piece:grand adventure
i got wired strips in the battle and the speed is falling to 20%
please help me

and BTW can some one tell me what are speed hacks?
i got:
winxp professional 64-bit /sp-2
Intel® Core™2 Quad CPU Q9450 @ 2.66GHz 2.67GHz 2GB RAM
NVIDIA GeForce 9600 GT
DirectX 10.0(4.10.0000.5512)

my problam and emu config

[Nokiaman]

Use smaller images.My eyes are bleeding from that

[icemann]

Seconded

[Graylord]

Print screen owns

[Nneeve]

Try ZeroGS or GSDX's software renderer.

[Darkj]

Download newest GSDX check logarithmic Z Pixel Sharder 3.0 and try to uncheck nativ
Speed Hacks can boost up game speed but can crash the game or make fmvs lagy