1. I like taking pictures of myself.

2. I like taking picutres of me.

(Which one is right? Are both OK?)

3. I can't believe it.
4. That's surprising!
5. What a surprise!
6. That's unbelievable.
7. That's amazing!
8. What a surprise it is!

(Are they the same in meaning? Do you have some more expressions?)

All of these are good and are used.

1. Both sentences are grammatically correct, but they have slightly different meanings.

- "I like taking pictures of myself" suggests that you enjoy being the subject of your own photos and taking self-portraits.
- "I like taking pictures of me" is more informal and may imply that you enjoy taking pictures of yourself in general, not necessarily just self-portraits. However, this sentence can also be interpreted as an incorrect use of grammar, as "me" should be replaced with "myself" in formal English.

3. "I can't believe it" expresses surprise or disbelief, often in response to something unexpected or astonishing.
4. "That's surprising!" expresses surprise or astonishment at something unexpected or unforeseen.
5. "What a surprise!" conveys a similar sentiment of astonishment or unexpectedness.
6. "That's unbelievable" implies disbelief or astonishment at something that is difficult to accept or comprehend.
7. "That's amazing!" expresses admiration or astonishment at something extraordinary or impressive.
8. "What a surprise it is!" follows the structure of "What a(n) + adjective + noun (it is)!" and conveys astonishment or disbelief.

While each phrase generally conveys surprise or astonishment, they do have slightly different nuances. Additionally, some other expressions that can convey surprise or disbelief are:
- "No way!"
- "You're kidding!"
- "I can't wrap my head around it!"
- "I'm in shock!"
- "Unbelievable!"
- "I can hardly believe my eyes/ears!"

Keep in mind that when using these expressions, the context and tone of your delivery can also influence the overall meaning and impact of your message.