Laptop Guide and Hot Notebook reviews

talking about splash screen on ubuntu Lucid Lynx (10.04), maybe there will have xsplash image on your mind, because on the previous release (karmic-9.10),the ubuntu splash screen named xsplash. Same as me, but it isn’t the really splash, in this release, Lucid use plymouth splash screen. great!!using this plymouth will make your ubuntu splash more [...]

this is the simple way to change your ubuntu lucid lynx login background (in karmic, you can explore on xsplash folder).
first time, you can go to console by pressing Ctrl+Alt+F1, then you have to login with your sudoer username

After Read the  new features info, now you can find what is the new feature in Lucid Lynx 10.04 -LTS here:
No New Interface
If you wish, hopping like Gnome or 3 in the next release you will be disappointed. Gnome 3 will not be used as the default environment. 10.04 Using Gnome 2.x as the default [...]