If you want to make another animation go back to dope sheet-action editor-new action and make your animation in the next keyframes so lets say the first animation was in the interval 1-60 the next needs to start atleast from 61-something!
Forum member dopefish created a widescreen patch that is usable in BF2, BF2142 and BioShock. You can get hit his personal page for the hack here, where he maintains a full feature list and changelog. You can join in this discussion thread in the forums. The patch is allowed by Punk-Buster. Though not officially supported, EvenBalance and EA have both confirmed it is allowed. 041b061a72