if u are jumping 3ft or under your hands chin and the point of your horse's shoulder should line up your arms should have a slight bend but only your hands should be touching your hoes's neck. heels down eyes up and your bum slightly off the saddle. as the height of the jump increases your hands should move slightly farther up the neck.:)

 Let your jumping postition come naturally - don't try and force yourself forward. As long as you give with your hands and let your body go with the horse, you should be ok. If it still isn't working, ask an experienced friend or instructor to help you. Remember, start with the smaller stuff first and work yourself up!