I really try not to comment on the newbie photos like these because they aren't really worth giving CC for. They're your first few shots and you'll look back on them in the future and say "What the hell was I thinking posting THAT for all of the world to see???"
BUT... Seeing how you asked me personally... I am going to try to give you some direction... I really don't mean it to be MEAN or harsh sounding, so please take this as I meant it... with the best of intentions.
These are the first images you have with your new toy. There is no particular thought put into them. No thought to the composition-they are all pretty much plopping the subject dead center in the frame and shooting a shot. They are all shot in auto exposure, so no skill went into creating them and it shows. The camera flash is popping on and giving you some HARD shadows, your depth of field is either too much or too little the image. Exposure is either extremely bright or very dark-had you CHOSEN what these images would look like when they showed up on your screen what would you have chosen? This is just me guessing here, but the fish and the motorcycle would actually be in focus. The black around the fish wouldn't be so black-you'd be able to see the fish's fins in much more detail. The stones in front of the cycle would be much less in focus.
Potato head wouldn't look like a flash just blew off in his face with a hard dark shadow behind him and neither would the basketball. The dog would have been brighter on the exposure and we would have seen where his furry face ends instead of it blending into the darkness. And lastly the young lady would have her face exposed better and her hair wouldn't be the main subject of the image.
So why did I point all of that out to you? Because that's now what you can do-if you LEARN. It's a lot of learning but you can definitely do it. Start by learning about good composition.
Guidelines for Better Photographic Composition.
Then or at the same time start to learn about the exposure triangle and what it does to control how those things in the image that you wish weren't the way they are.
Digital Photography Tips: Digital Photography School has some great tutorials. There are THOUSANDS of great ones on the web to get you started.