changing ur boot screens can be dangerous. Errors can f*k up the operating system log in and therefor by by OS, u would have to reinstall at that point. They usually come with a warning when changing them. Star skin was a good program i used to use, now i just stick with the default.
AMD Athlon 64 3500+ [939 Socket] W/ ASUS \"A8N-SLI Deluxe\" nForce4 SLI Chipset PCIe Motherboard
Kingston 1024 MB [512MB X2] DDR-400 PC3200 Memory
MSI Nvidia GeForce 6600GT 128MB DDR3 128-bit PCIe
Western Digital 160 GB 7200 RPM 8MB Cache SATA Hard Drive + WD 120GB 7200 RPM IDE HDD
LG Dual Format/Double Layer 16X DVD±R/±RW + CD-R/RW Drive