I like all of these, last one is my fav though.

What camera do you have now? What are you looking at getting?

Gorgeous, I just hate flower pics.

They are all good, especailly the last one.

I'm a porn director. I can use you for some shots.

That depends on your budget, what you shoot, and how serious you intend on becoming. :p Answer those and I can help you out.

The thing with better cameras if you go DSLR, it's not about the camera, it's the lenses, and lenses cost more than cameras, if you don't have a good 2K to cover a good amount of focal lengths(being able to "zoom in" and out a lot) I recommend getting a good compact cam, you can even find shock and waterproof ones.

I don't really recommend a bridge(like you have now) because it combines the downsides of both compacts and DLSRs... small sensor in a big and heavy package that is uncomfortable to transport, a compact can just be in your pocket all day.

I really like these, particularly the swan one.
Sorry that I can't help on the camera issue.

Nice Pics!

Like Dexter said, bridge isn't the way to go.
Especially if you plan on doing more photography in the future, then the best suggestion is an entry-level DSLR. There is lots to choose from for your budget. If you want to buy used, you can buy a Canon Rebel XTi with a lens for around $400.
Lenses are of course, the biggest investment for a DSLR, and you pay through the nose for quality.

I love the last one

2nd & 4th photo

They are really good. Do you use any editing software afterwards?

Great shots.