Hi Sarah,
Good to have you back again and say "Hi" to Harper for me.
Yes there are many ways - not that I suspect you're anywhere near the limit of attachments yet.
Have a look here;
HELP THREAD: How can I post images here?
Regarding C&C on the pictures; the first is reasonable, not too busy a background, but a bit of pet-eye that could be fixed in PP with a bit of cloning.
The second one is
really nice; good exposure, framing, focus, tones, etc. - the only minor distraction is what looks like a bald fur patch on poor Harper's side. Well done, this one is definitely 'above average'.
Cheers,