Double click on the 'fx' beside the layer. For Photoshop Elements tutorials click the link below:
http://absolute-extra.blogspot.com/
To edit and manipulate pictures, it has most of Photoshop features.
First click on layer with pixels you want to warp (layer can not be background layer, must be regular layer), in Photoshop CS5 and newer go to Edit > Puppet Warp or Edit > Transform > Warp.
It is the bar across the top of Photoshop that has the words: File, Edit, Image, Layer, Select, etc.
To cut a layer in Photoshop, select the layer you want to cut and then use the "Cut" command from the Edit menu or press CtrlX on your keyboard. This will remove the selected layer from your design project.
double click on it on layers pallete where are letters Background image and accept,this will convert background layer which is not editable by default to normal layer and then you can edit it
After file is converted to what? What you mean by file is converted? If you have file saved in format that supports layers you can edit it.
To change the background layer color in Photoshop, first select the background layer. Then, go to the "Edit" menu, choose "Fill," and select the color you want for the background. Click "OK" to apply the color change.
To change the color of the background layer in Photoshop, first select the background layer in the Layers panel. Then, go to the "Edit" menu, choose "Fill," and select the desired color from the options. Click "OK" to apply the color to the background layer.
Adobe Photoshop would be great for editiing and printing photos, but you may want to consider Adobe Photoshop Elements.
There are several ways to remove wrinkles in Photoshop Elements: using Healing Brush Tool, Clone Stamp Tool or using Guided Edit. See related links.
If you are in search of an image editor I would recommend Maya or Photoshop both you have to pay for but are brilliant and are used by professionals, but if you don't have such funds use G.I.M.P. Gimp is free and is similar to Photoshop. To fufill your task Using Photoshop or GIMP you would;Use the first layer as the explosion. Edit it to your liking using various filters and scale it to your preferred size.Go to Layer, New Layer. Then you are able to put your picture on top and edit it.
Open your image in photoshop, then double click on the locked layer in the layers palette and click OK in the window asking you to name the layer. The layer is now unlocked and editable.