Could you help me check if I made English misstakes?

[Loopeend]

For our ducks I made frames with their names and slogo's to use on social media.
Their picture is not yet in it.
I was wondering if someone would be so kind to see if I made some English misstakes.

Also thoughts on if some are too farfetched welcome.
The last one I am not sure if the last word is a (offensive) swearword that would not be allowed on social media; please tell me if it is. I also will remove it immediatelly on here if it is. (I removed it)

 

[jolenesdad]

The swear word requires two “t”s to be correct.

If you want to be doubly sure it’s okay, replace the I with an !

 

[Loopeend]

The swear word requires two “t”s to be correct.

If you want to be doubly sure it’s okay, replace the I with an !

It's scottish slang (otherwise it doesn't rhyme with sing-and-song writer). That also makes it harder for me to understand if it is swearword or just something that poos... I guess the same question goes for the double t word..
Is it a swearword if you would say 'my dog is a heavy ------'

 

[drumstick diva]

yes, my dog is a heavy sh----r? is offensive

 

[Loopeend]

Thanks I removed that one.

 

[jolenesdad]

Yes, while slang in scotland, its not used here, and considered an expletive.