Dolphins

Swimming or hiding picture are 7 dolphins

Parvati's Love for Shiva Tested by Saptarishis and Shiva

http://www.gloriousindia.com/scriptures/puranas/shiva_purana/parvatis_love_for_shiva_tested_by_saptarishis_and_shiva.html

Parjanya

http://en.wikipedia.org/wiki/Parjanya

He was

1. glorious like Prahlada, 
2. true tohis promise like Dhruva,  
3. magnificent like Prthu. 
4. To his enemies he was likeBhisma. 
5. To his friends he was like Lord Siva. 
6. He was exalted like Lord Brahmaand 
7. effulgent and powerful like Lord Hari Himself.  

Source

http://sixgoswamis.blogspot.com/2015/05/gopala-champu.html

Ram

Sukdev to O Maharaja Parikshit, best of the Bharata dynasty, during the reign of Lord Ramachandra the forests, the rivers, the hills and mountains, the states, 

1. the seven islands and 
2. the seven seas were all favorable in supplying the necessities of life for all living beings.