Step 1. take your photos (duh). I always take much more than I think I'll need because it's easier to delete some than to go back and take more! For example, outfit posts I usually end up with 50-80 photos, nail photos I usually end up with about 10-15 and for an empties/favourites post I will usually take about 20-30. This way you're much more likely to get some good ones!
Step 2. go to www.picmonkey.com
Step 3. click on 'create a collage'
Step 4. select your photos
Step 5. change the frame design- I usually go for one of the pinter-etsy or jigsaw ones because they have lots of shapes and sizes
Step 6. resize the dimension width to fit your blog (mine is 650px wide (it doesn't matter about the height))
Step 7. change the spacing/corner roundness. I always go for 10 and 5%
Step 8. add the photos to the collage by clicking and dragging it across to the frame
Step 9. change the sizes of the boxes by clicking and dragging and remove any you don't need (hover over the box and a small 'X' will come up). You can also add more photos by dragging one between two photos
Step 10. click on the save button
Step 11. rename your image and always use the largest file size setting
Step 12. once it's saved click on the small cross in the top right corner and then select 'edit a photo'
Step 13. change the exposure of your image. Depending on the photo I usually make it brighter and increase the contrast of it
Step 14. click on the potion bottle to get the colour filters
Step 15. I always use the 'cross process' effect. Since this is a nail of the day photo and you don't want to change the colour I'm going to increase the fade of it but if I'm doing an outfit post I'll do a 50% fade
Step 16. go onto the shapes icon and add a circle
Step 17. add it to your photo and if you want change the opacity (fade) I set mine to 35% and I use the colour #FF99AD
Step 18. go onto the font bit and add your text. I use quicksand font
Step 19. now all you have to do is save it- click on the button at the top of the page
Step 20. select 'Russel' for the best quality and you're done!
and this is how it looks when it is finished! (you might recognise it from a recent NOTD post!)
this is just a quick guide to how I edit my photos. I don't edit all of my photos exactly this way but probably 90% of my blog photos I do like this! Picmonkey.com is such a good (free) website to use and it's really simple too for people like me who don't have a clue how to Photoshop!